Answer: it is b i got it right on the test
Explanation:
Under a pressure of 3000Nm^-2, a gas has a volume of 250cm³. What will its volume be if the pressure is changed to 1000mmHg at the same temperature? (760mmHg= 101325Nm^-2)
A new volume of 80ml results from changing the pressure to 1000mm Hg.
How do you calculate volume after pressure change?PV=nRT under the ideal gas law P V = n R T, where P is pressure, V is volume, n is the molecular mass, R is the constant of universal gas, and T is the temperature.The ideal gas law, PV = nRT, is a specific example of these laws, where P is the gas's pressure, V is its volume, n is the number of moles in the gas, T is the gas' kelvin temperature, and R is the ideal gas constant.For instance, if you wish to determine the volume of 40 moles of a gas at a temperature of 250 K and a pressure of 1013 hPa, the formula is V = nRT/p = 40 * 8.31446261815324 * 250 / 101300 = 0.82 m3.To learn more about pressure refer to:
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Suppose one electron in H2 is excited from the MO to the o*1s MO. Would you expect the H atoms to remain bonded to each other, or would the molecule fall apart? a. Fall apart, as the bond order changes from one to zero. b. Remain bonded, as the bond order changes from 1 to 1%. c. Remain bonded, as the bond order remains the same. d. Fall apart, as the bond order changes from 1 to 1%. e. It is not possible to excite an electron from the 01s MO to the o'is MO in Hz.
Remain bonded, as the bond order remains the same. When electrons are excited from the 01s MO to the o'is MO in H2, the bond order remains the same. This means that the molecule does not break apart, and the H atoms remain bonded to each other.
What is electrons?Electrons are particles of matter with a negative electrical charge. They are the smallest and most basic unit of matter and are found in atoms. Electrons are much smaller than protons and neutrons, and they orbit the nucleus of an atom in an electron cloud. Electrons are responsible for chemical bonding between atoms and also for electrical conduction.
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which of the following will affect the total amount of solute that can dissolve in a given amount of solvent? a. the solution is stirred. b. the solute is ground to fine particles before dissolving. c. the temperature changes.
The greatest amount of a solute that may dissolve in a specific amount of solvent is known as a substance's solubility; this quantity depends on the chemical makeup of both the solute and the solvent as well as on
What elements influence the solubility of a Class 6 solute?Temperature and pressure are the two direct variables that impact solubility. Pressure solely influences the solubility of gases, but temperature affects the solubility of both solids and gases.
What are the four determinants of solubility?The four main elements that influence a gas' solubility in a liquid are listed below. Size, chemical reactivity, pressure, and temperature between the liquid and gas. Typically, as the pressure rises, the gas becomes more soluble.
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A substance's solubility is the maximum amount of that substance that may dissolved in a given amount of solvent; this amount relies on the chemical composition of both the solvent and solute as well as on
What factors affect a Class 6 solute's solubility?Temperature and pressure are the two direct variables that impact solubility. Temperature has an impact here on soluble including both solids and gases, but pressure only affects the gas's solubility.
Which of the four elements that determine solubility?The below is a list of the four primary factors that affect a gas' soluble in a liquid. Temperature, pressure, size, and chemical reactivity here between liquid and gas Usually, the gas gets more soluble as the pressure increases.
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what is the relationship between the expected products of the reaction below? they are constitutional isomers they are diastereomers only one product is formed they are enantiomers
An epoxide will produce a product in which the epoxide were formed below a double bond and another product in which the ways . one way was formed below the doubled bond at the same time.
An epoxide functional group: what is it?
An epoxide is what? Many chemical compounds include the distinctive functional group known as an epoxide. The group has a 3 ring structure made up of two carbons and oxygen. Epoxides often have a low degree of stability because of the structure of three-membered ring structures.
What does the chemical term "epoxide" mean?
A cyclic ether known as an epoxide has a three-atom ring that closely resembles an equilateral triangle. When comparison to other ethers, these have a high level of reactivity. Two hydrocarbon carbon atoms joined to an oxygen atom make up the basic structure of an epoxide.
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In a blast furnace, Iron (III) oxide reacts with coke (carbon) to produce molten iron and carbon monoxide. Fe2O3 + 3C = 2Fe + 3CO. How many kg of iron would be formed from 125 kg of Fe2O3?
The total 178571.42 kg of iron would be formed from 125 kg of Fe2O3 in the blast furnace.
The blast furnace is a type of metallurgical furnace used for smelting to produce industrial metals, generally pig iron, but also others such as lead or copper. Blast refers to the combustion air being forced or supplied above atmospheric pressure. It is a block that smelts ores, raw metals and metal armor and tools twice as quickly as a furnace but cannot smelt anything else. In a blast furnace, Iron (III) oxide reacts with carbon to produce molten iron and carbon monoxide.
Fe2O3 + 3C ----> 2Fe + 3CO
Fe2O3 is unstable because the above reaction is thermodynamically favored.
1 mole Fe2O3 = 2×56+3×16 = 160g
2 mole Fe = 112g = 0.112kg
From 125 kg of Fe2O3,
= 160 × 125 /0.112
= 178571.42 kg of Iron formed.
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List the following atoms in order of increasing ionization energy: Li, Na, C, O, F. A) Li < Na < C < O < F B) Na < Li < C < O < F C) F < O < C < Li < Na D) Na < Li < F < O < C
The order of increasing ionization energy: Na < Li < C < O < F. Ionization energy rises throughout time, and as a group descends, IE falls.
A neutral atom is simpler to remove an electron from than a positive ion, and a negative ion is even simpler. Since lower ionization energy indicates simpler electron removal, O+>O>O is the correct order for IE. Since fluorine has more protons, it has a higher nuclear charge, which attracts electrons more strongly. Lithium is the group I element with the highest ionization enthalpy, but it also has the highest oxidation potential, making it the strongest reducing agent.
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during photosynthesis, carbon dioxide (co2), and water (h2o) combines to yield (make) glucose (c6h12o6) and oxygen (o2). what is the balanced chemical equation for this reaction?
The balanced chemical equation for this reaction is 6CO2+6H2O+Δ→C6H12O6+6O2 that the reaction is balanced with respect to mass and charge .
What do we mean by chemical?A chemical is any substance that has a defined composition. In other words, a chemical is always made up of the same "stuff." Some chemicals occur in nature, such as water. Other chemicals are manufactured, such as chlorine (used for bleaching fabrics or in swimming pools).
What are chemical examples?Air, water, iron, gasoline, clothing, stones, furniture, plastics, plants, food are all composed of chemicals, some natural, some synthetic. Chemicals can be single chemical molecules, like water, or mixtures of different chemicals. Air is a mixture nitrogen, oxygen, water, carbon dioxide + other chemicals.
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the energy of activation for the reaction described in the passage is given by the energy of: a.the reactants minus the energy of the products. b.the products minus the energy of the reactants. c.the activated complex minus the energy of the products. d.the activated complex minus the energy of the reactants.
The energy of activation is given by the energy of the activated complex minus the energy of the reactants. So the answer is d-the activated complex minus the energy of the reactants.
What factors affect activation energy?The rate of any reaction relies on the temperature at which it is running. As there is an increase in the temperature, the molecules move faster and therefore slam with each other more frequently. The moving molecules also hold more kinetic energy.
What lowers the activation energy?Enzymes affect the activation energies and lowers it. Enzymes lower the activation energy essential to convert a reactant into a product.
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how many types of nonequivalent protons are present in each of the following molecules?
Molecule #1
CH3CH2C=CH
Molecule #2
CH3CH2C(CH3)2CH2CH3
Molecule #3
CH3CH2CH2CH2OCH3
The type of proton in a molecule is referred to as a nuclear magnetic resonance (NMR) active proton. These protons possess a magnetic moment and can be observed in NMR spectroscopy, which is a powerful analytical tool for determining the structure of organic molecules. The chemical shift of the NMR active protons in a molecule depends on their electronic and magnetic environment, which can be used to identify the specific type of proton and the chemical groups it is associated with.
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considering both the effect of volume and the effect of intermolecular forces, how would the deviation from the ideal behavior of a gas change when the gas is at a higher temperature
I'm choosing a value of 298 K, a volume of 1 liter, and 2 and 4 particles to compare the effects of volume and intermolecular forces in this specific scenario, which will be larger than what the ideal gas law predicts.
How do intermolecular forces differ depending on volume?
The intermolecular distances between gaseous molecules are generally large at low pressures, but as the gas pressure rises, they get less and less (Figure 5.10. 3). As a result, its volume taken up by the molecules rises much over the container's volume.
Why does the ideal gas rule break out at high pressures for gases?
It is assumed that the molecules in an ideal gas have no gravitational pull on one another and take up no space. However, real molecules do have limiting volumes and are attracted to one another. Therefore, under high pressures, a gas behaves differently than it should because of the attraction between its molecules.
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which statement best describes the entropy that occurs when two gases are added to a similar container?
A statement best describes the entropy that occurs when two gases are added to the same container: The gases will disperse and mix due to the increase in entropy for both gases.
About entropyEntropy is a thermodynamic quantity which measures the energy in a system per unit temperature that cannot be used to do work. Perhaps the most common manifestation of entropy is (following the law of thermodynamics), the entropy of a closed system always increases and under conditions of heat transfer, heat energy moves from the component with a higher temperature to the component with a lower temperature. In a system where the heat is isolated, the entropy only goes in one direction (not a reversible process). It is necessary to measure the entropy of a system to determine that energy cannot be used to do work on thermodynamic processes.
These processes can only be carried out by energy that has been transformed, and when energy is converted into work, it theoretically has a certain maximum efficiency. During the work/effort, entropy will accumulate in the system, which then is dissipated in the form of wasted heat.
In classical thermodynamics, the concept of entropy is defined in the second law of thermodynamics, which states that the entropy of an isolated system always increases or remains constant. Thus, entropy can also be a measure of the tendency of a process, whether the process tends to be "entropy" or will proceed in a certain direction. Entropy also shows that heat energy always flows spontaneously from an area with a higher temperature to an area with a lower temperature.
Thermodynamic entropy has the dimensional energy divided temperature, which has International Units joules per kelvin (J/K).
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calculate the concentration (% m/v) of nacl solution that was made by dissolving 12.7 g of sodium chloride in enough water to make 2.3 l of solution.
The concentration (% m/v) of NaCl solution that was made by dissolving 12.7 g of sodium chloride in enough water to make 2.3 l of solution is 0.55%.
Concentration, often represented by the symbol "C," refers to the amount of a specific substance (solute) present in a given amount of another substance (solvent). There are different ways to express concentration, including molarity, molality, and mass percentage (%, w/v, or % m/v).
% m/v (mass percentage by volume) is a way to express the concentration of a solution in terms of the mass of solute (in grams) present in a given volume of solvent (in mL). It is calculated by multiplying the mass of the solute by 100 and then dividing that result by the volume of the solution. The unit for % m/v is % (percentage).
It is calculated by the following formula:
% m/v = (mass of solute / volume of solution) x 100
In our case, the mass of the solute is 12.7 g while the volume of the solution is 2.3 l or 2300mL.
% m/v = (mass of solute / volume of solution) x 100
% m/v = (12.7 / 2300) x 100
% m/v = 0.55%
Hence, the concentration expressed as (% m/v) is 0.55%.
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The mass number is used to calculate the number of ______________________in one atom of an element. In order to calculate the number of neutrons you must subtract the ___________________ from the ______________________.
Answer:
see full answer in below
Explanation:
The mass number is used to calculate the number of neutrons in one atom of an element. In order to calculate the number of neutrons you must subtract the number of protons (atomic number) from the mass number (atomic mass or mass number).
Answer:
The mass number is used to calculate the number of neutrons in one atom of an element. In order to calculate the number of neutrons you must subtract the atomic number from the mass number.
if 250 ml of a 4.5 m stock solution of sulfuric acid is transferred to an empty flask, what volume of water in liters must be added to the flask to reduce the solution's molarity to 2.2 m?
This dilution issue makes use of the equation. MaVa=MbVb. The initial volumes are Va = 15.00 mL and Ma = 6.77M, respectively (concentration).
Describe what diluting is.This act of "adding extra additional solvent to a solution, including such water, to the solution, to decrease the amount of the solute in a solution," is known as dilution. A solution must be diluted by adding more solvent without introducing more solute.
What different types of dilution exist?Serial dilution is a frequent technique for attaining this concentration reduction. In homeopathy, diluting. Using the dilution equation, determine the rate of dilution of a gas. The use of a mark beyond its designated market without authorization is known as trademark dilution.
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chem aleks a chemist carefully measures the amount of heat needed to raise the temperature of a sample of a pure substance from to . the experiment shows that of heat are needed. what can the chemist report for the specific heat capacity of the substance? round your answer to significant digits.
The chemist will state that the chemical has a particular heat capacity of 0.235 J/g K.
How does heat capacity work?The amount much heat energy needed to increase the temperatures of a specific quantity of matter through one degree Celsius is referred to as heat capacity. Heat capacity is a broad attribute that depends on the size or quantity of a specific substance. Joules per Kelvin or joules per degree Celsius are the units used to measure heat capacity.
Mass m = 894.0 g
Initial temperature T = -5.8∘ C
= 267.35 K
Final temperature = T
= 17.5∘ C
=290.65 K
heat capacity =c
Heat required =Q
Q = 4.90 kJ
=4900 J
Q = m×c×ΔT
= 4900J
= 894.0g×c×(290.65K-267.35K)
c = 0.23523 J/gK
= 0.235 J/gK
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if only the chemical formula were given for the compounds in the above examples, how could you determine the amount of charge on the cation
Given only the chemical formula of a compound, it is difficult to determine the charge of the cation without additional information. However, there are several ways to infer the charge of cations.
Look for polyatomic ions.
Many cations are composed of metal ions and polyatomic ions. Polyatomic ions often exhibit a cationic charge. For example, if the chemical formula is NaNO3, the cation is Na+ because nitrate (NO3) is always -1.
Note the presence of transition metals:
transition metals can have multiple oxidation states, and the oxidation state can be inferred by the presence of other elements in the compound.
Look at the periodic table:
Some elements on the periodic table are the alkali metals (group 1), which are always +1, and the alkali metals, which are always +2.
However, it is important to note that even using these methods it can be difficult to determine the charge of the cation without additional information. In many cases, it is necessary to refer to references such as textbooks or chemistry databases to ascertain the load.
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if it takes three breaths to blow up a balloon to 1.2 l and each breath supplies the balloon with 0.60 moles of exhaled air, how many moles of aur are un a 3.0 l ballon?
If it takes three breaths to blow up a balloon to 1.2 liters and each breath supplies the balloon with 0.60 moles of exhaled air, the total number of moles of air in the 1.2 L balloon is:
0.60 moles/breath x 3 breaths = 1.8 moles
To find out how many moles of air are in a 3.0 L balloon, you can use the relationship between moles and volume (at constant temperature and pressure):
n = PV/RT
where:
n = number of moles
P = pressure (assumed to be constant)
V = volume
R = ideal gas constant
T = temperature (assumed to be constant)
Since the balloon is filled with exhaled air, we can assume that the temperature and pressure inside the balloon are approximately the same as the ambient temperature and pressure. So we can use the ideal gas constant (R) and the current temperature (T) to calculate the number of moles of air in a 3.0 L balloon.
Then,
n = (1.8 moles * 3.0 L) / (R * T)
It should be noted that we are assuming a constant temperature and pressure, and also exhaled air is not a pure gas and its composition can vary, thus the ideal gas law may not be the most accurate way to calculate the number of moles of air in a balloon.
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ammonia molecules react with water to form a solution that contains ammonium ions and hydroxide ions. how should water be classified in this reaction
In this reaction, the water is considered a base.
When ammonia molecules react with water, they form a solution that contains ammonium ions and hydroxide ion.
In this reaction, water will act as a base.This is because it is accepting hydrogen ions from the ammonia molecules and reacting with them to form a solution that contains both ammonium and hydroxide ions.
This is an example of a neutralization reaction, where an acid and a base react to form a neutral solution.
The water is classified as a reactant, as it is consumed and converted into the product solution.
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For each of the following IR spectra, identify whether it is consistent with the structure of an alcohol, a carboxylic acid, or neither.• Alcohol • Carboxylic acid • Neither
Identifying the functional group of a molecule from an IR spectrum requires knowledge and experience in interpreting the spectra. However, I can tell you that some general features that can help differentiate alcohols, carboxylic acids, and other functional groups in IR spectra are:
Alcohols:
Typically have a broad and strong absorption in the 3200-3600 cm-1 region, which is due to the stretching vibration of the hydroxyl (-OH) group.
Carboxylic acids:
Carboxylic acids typically have a strong absorption in the 1700-1750 cm-1 region, which is due to the stretching vibration of the carbonyl (-C=O) group.
Carboxylic acids also have an absorption in the ~1200-1300 cm-1 region, which is due to the bending vibration of the carboxyl (-COOH) group
It is important to note that these are general guidelines, and that the exact position and shape of the absorption bands may vary depending on the specific compound and the environment in which it is in.
Additionally, other functional groups may also have similar absorption bands, so it is important to consider other information (such as the chemical structure) when interpreting an IR spectrum.
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you are give a 2.00 g sample of caso4 xh20. given that the mass of anhydrous salt was 1.038 g, find the value of x in the sample.
The molar mass of hydrate part present in the sample of calcium sulfate is 0.962 g.
What is molar mass?Molar mass of a compound or a molecule is defined as the mass of the elements which are present in it.The molar mass is considered to be a bulk quantity not a molecular quantity. It is often an average of the of the masses at many instances.
The molecular mass and formula mass are used as synonym for the molar mass.It does not depend on the amount of substance which is present in the sample.It has units of gram/mole.
Value of mass of water= mass of calcium sulfate-mass of anhydrous form=2.00-1.038=0.962 g.
Thus, The molar mass of hydrate part present in the sample of calcium sulfate is 0.962 g.
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calculate the ph of a 0.10 m solution of hypochlorous acid, hocl. ka of hocl is 3.5×10−8.
The pH of a 0.10 M solution of hypochlorous acid is approximately 3.7348.
The pH of an acid solution can be calculated using the relationship between the acid dissociation constant (KA) and the acid concentration (HA).
The acid dissociation constant (KA) of hypochlorous acid (HOCl) is 3.5 × 10^-8.
The acid dissociation equation for HOCl is:
HOCl + H2O <--> H3O+ + Cl-
So, the equilibrium constant expression is:
KA = [H3O+][Cl-] / [HOCl]
Given that the concentration of the acid is 0.1 M, we can use the following equation to calculate the hydronium ion concentration:
[H3O+]^2 = KA * [HOCl]
Plug in the value of KA and [HOCl]
[H3O+]^2 = (3.5*10^-8)(0.1)
[H3O+] = sqrt(3.510^-80.1)
[H3O+] = 1.87*10^-4
The pH of a solution is defined as the negative logarithm of the hydronium ion concentration
pH = - log[H3O+] = - log(1.87*10^-4) = 3.7348
So, the pH of a 0.10 M solution of hypochlorous acid is approximately 3.7348.
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Recall that you found the empirical formula for a hydrocarbon to be CH2. If you are now told that a mass spectrometer was used to find that the molecular weight of the compound was 70, which of the following is most likely the name of the compound
The most likely name of the compound is hexane.
The empirical formula of a hydrocarbon is CH2, which corresponds to a compound made of Carbon and Hydrogen atoms. The molecular weight of the compound is 70, which means that the compound is composed of 6 Carbon atoms and 14 Hydrogen atoms. The hydrocarbon compound with 6 Carbon atoms is hexane. The molecular formula of hexane is C6H14.
Hexane is a hydrocarbon with six carbon atoms in a straight chain, it is a colorless liquid that is widely used as a solvent and in the production of various industrial and consumer products.
It's important to note that the empirical formula gives the simplest whole number ratio of atoms in a compound and the molecular formula gives the actual number of atoms in a compound.
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how is the density of solid water compared to that of liquid water atypical among substances? why is this significant?
Solid water is less dense as compared to the liquid water, that is why ice floats rather than sinks. This unusual property is because of hydrogen bonding between the molecules.
What is the density of solid water and liquid water?The density of ice is around 90 percent as compared to that of water, but that can vary as ice may also have air. Hence, it implies that around 10 percent of an ice cube will be above water line.
The solid form of most of the substance is denser than liquid phase and so block of most solids will sink in liquid but block of ice floats in the liquid water because ice is less dense. On freezing, density of the water reduces by about 9%.
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how to do you calculate covalent bonding graphs and where do you place the atoms?
Answer:
The number of bonds for neutral atom is equal to the number of electrons in the full valence shell (2 or 8 electrons) minus the number of valence electrons.
Explanation:
This method works because each covalent bond that an atom forms adds another electron to an atoms valence shell without changing its charge.
Which gas has recently increased in the mesosphere, creating a rise in water vapor which has led to the formation of high-altitude clouds that are visible at night?
CH4 methane gas has recently increased in the mesosphere, creating a rise in water vapor which has led to the formation of high-altitude clouds that are visible at night.
Methane is the second most important anthropogenic greenhouse gas, contributing approximately 20% of the 2.5 W m-2 increase in radiative forcing due to human activities (IPCC (2001)). CH4 also plays a central role in global atmospheric chemistry, affecting tropospheric OH concentrations and acting as a source of stratospheric water vapor. The increase in the total methane burden can be linked qualitatively to increases in human activities that emit methane.
The comparison to high-frequency observations of methane is generally straight forward because observations and model output frequency are similar. The model to flask comparison is more difficult due to the low sampling frequency of flasks; we test two methods of generating monthly means for flask comparison.
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Demand-pull inflation occurs when
the price of goods rises suddenly and extremely fast.
consumers begin purchasing more goods.
producers need more money to make and distribute goods.
the government prints more money and pushes prices up
Demand-pull inflation occurs when: C. producers need more money to make and distribute goods.
What is demand pull inflation?Demand pull inflation occur when there is no balance in aggregate demand and aggregate supply and this tend to occur when the demand for goods and service is higher that the supply.
Demand pull inflation arise when people have the money to buy goods but the goods or product in the market is not sufficient leading to scarcity of goods due to large demand of that goods in the market.
Based on this demand pull inflation tend to rise because producers or manufacture need more money to produce and distribute goods so as to equate demand and supply.
Therefore we can conclude that the correct option is C.
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how many types of nonequivalent protons are present in each of the following molecules?
ch3ch3c=ch
ch3ch2c(ch3)2ch2ch3
ch3ch2ch2ch2och3
The type of non-equivalent protons are present in each of the following molecules:
a. 6 non-equivalent protons
b. 4 non-equivalent protons
c. 4 non-equivalent protons
What is non-equivalent protons?Protons that are equivalent, that is, present in the same environment, produce the same peaks. In the proton spectra, non-equivalent protons have different peaks or signals. There are two'sets' of protons in methyl acetate, for example. The three Ha protons have a different - and easily distinguishable - resonance frequency than the three Hb protons because they are in non-identical environments: they are chemically nonequivalent. All three Ha protons, as well as all three Hb protons, are chemically equivalent in NMR terminology. However, the Ha protons are not chemically equivalent to the Hb protons. As a result, the resonance frequency of Ha protons differs from that of Hb protons.
Here,
Each of the following molecules contains the following types of non-equivalent protons:
a. 6 non-equivalent protons
b. 4 non-equivalent protons
c. 4 non-equivalent protons
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How many protons, neutrons and electrons are there in a neutral atom of the isotope represented by: ^79_35 Br protons: neutrons: electrons:
A neutral atom of the isotope represented by ^79_35 Br contains protons, neutrons, and electrons:
protons=35
neutrons=44
electrons=34
What is isotope?Isotopes are two or more different atom types that have the same atomic number and position in the periodic table but different nucleon numbers due to the number of neutrons in their nuclei. Atoms that have different numbers of neutrons but the same number of protons are called isotopes. Despite having nearly identical chemical properties, their different masses have an impact on their physical characteristics. Atoms that belong to the same element and have the same atomic number Z but a different mass number A are known as isotopes. Carbon-12, carbon-13, and carbon-14 are three isotopes of the element with respective masses of 12, 13, and 14.
Here,
The number of protons = 35
The number of neutrons =79-35=44
The number of electrons = 35-1 =34
The protons, neutrons and electrons are there in a neutral atom of the isotope represented by ^79_35 Br:
protons=35
neutrons=44
electrons=34
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What is the Celsius temperature of 100.0 g of chlorine gas in a 35.0 L container at 800 mmHg?
a. 159 ∘C
b. 46 ∘C
c. 318 ∘C
d. -114 ∘C
100.0 g liquid chlorine gas at 800 mmHg has a temperature of 46 C in a 35.0 L container.
Chlorine gas toxicity: how toxic is it?Low levels of chlorine exposure (between 1 and 10 ppm) might irritate the eyes, nose, and throat and make you cough and painful. Acute respiratory discomfort with airway constriction that fluid buildup in the lungs can quickly result from breathing in chlorine gas at higher quantities (>15 ppm).
Is chlorine gas safe to breathe?Pulmonary edema, a condition brought on by inhaling a lot of chlorine, is a fluid buildup in the lungs. For a number of hours following chlorine exposure, the onset of pulmonary congestion may be postponed. The skin and eyes may freeze when exposed to compressed liquid chlorine.
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C. If you were to measure out 0.0237 moles of potassium nitrate into a clear, dry cup. How
many grams are in this sample? Show your work in the space below.
Molar mass of KNO3:.
If you were to measure out 0.0237 moles of potassium nitrate into a clear, dry cup. 2.4 grams are in this sample. Molar mass of KNO₃ is 101.11g/mol.
What is molar mass ?The term molar mass is defined as the mass in grams of one mole of the compound.
Molar mass of KNO₃ = 39.10 + 14.01 + 16 (3)
= 101.11g/mol
Mass (m) = ?
Molar mass (M) = 101.11g/mol
Number of moles (N) = 0.0237 moles
n = m / M
m = 0.0237 × 101.11
= 2.4 grams
Thus, If you were to measure out 0.0237 moles of potassium nitrate into a clear, dry cup. 2.4 grams are in this sample. Molar mass of KNO₃ is 101.11g/mol.
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