What is the molarity of a solution that contains 125 moles nacl in 4. 00 l solution?.

Answer: 37.1 grams of aluminum hydroxide can be produced from the given amounts of aluminum oxide and water

Explanation:

The balanced chemical equation for the synthesis of aluminum hydroxide from aluminum oxide and water is:

Al2O3 + 3H2O -> 2Al(OH)3

From the equation, we can see that 1 mole of Al2O3 reacts with 3 moles of H2O to produce 2 moles of Al(OH)3.

We need to first calculate the number of moles of Al2O3 and H2O we have:

Number of moles of Al2O3 = mass / molar mass = 24.3 g / 101.96 g/mol = 0.238 moles

Number of moles of H2O = mass / molar mass = 82.1 g / 18.02 g/mol = 4.56 moles

From the balanced equation, we know that 1 mole of Al2O3 produces 2 moles of Al(OH)3. So, the number of moles of Al(OH)3 produced will be:

Number of moles of Al(OH)3 = (0.238 mol Al2O3) x (2 mol Al(OH)3 / 1 mol Al2O3) = 0.476 mol Al(OH)3

Finally, we can calculate the mass of Al(OH)3 produced:

Mass of Al(OH)3 = number of moles x molar mass = 0.476 mol x 78.0 g/mol = 37.1 g

Therefore, 37.1 grams of aluminum hydroxide can be produced from the given amounts of aluminum oxide and water.

Tin metal is mixed with hydrobromic acid, creating a metal within acid situation. Therefore, in this instance, the metal is attempting to replace the hydrogen within it. (For more detail scroll down)

The distance between the hydrogen and halogen atoms increases as the anion's size expands. It gets simpler to release H+ ions from hydracids as we move lower in the halogen group. Therefore, HI>HBr>HCl>HF is the sequence of acid strength.

Since tin is higher up, it will be able displace hydrogen from the acid to create the hydrogen gas. Tin can remove the hydrogen from the solution because it is more dense than hydrogen.

Sn(s) +2 HBr(aq) ----->SnBr2(aq) +H2(g)

To know more about hydrobromic acid visit :

https://brainly.com/question/15102013

#SPJ1

Granulocytes are leukocytes that have visible granules and agranulocytes are leukocytes that don't have visible granules.

Leukocytes, widely known as white blood cells, are blood cells that lack haemoglobin, have nucleus, and can move. They protect the body from disease and infection by swallowing foreign objects and cell debris, eradicating infectious agents, killing cancer cells, or manufacturing antibodies. Bone marrow produces white blood cells, and organs like the kidneys, liver, and spleen control how much of them are generated at any given time.

The two categories of white blood cells, are granulocytes and agranulocytes.

Agranulocytes lack cytoplasmic granules or sacs, whereas granulocytes do. In the battle against infection and disease, each type of granulocyte and agranulocyte serves different function.

Basophils, neutrophils, and eosinophils are the three different types of granulocytes.

To know more about haemoglobin, visit:

https://brainly.com/question/517799

#SPJ1

It is clear from the balanced chemical  equation, that two  moles of ammonia decompose to give one mole of nitrogen gas. Then, 4.52 moles will give 2.26 moles of nitrogen gas.

Ammonia is an inorganic gas formed by the combination of nitrogen gas and hydrogen gas. It is a reversible reaction and the ammonia gas can be decomposed to given the hydrogen and nitrogen gases as written below:

[tex]\rm 2NH_{3}\rightarrow 3H_{2} + N_{2}[/tex]

As per the balanced chemical equation of the decomposition of ammonia gas, it is clear that, 2 moles of ammonia gives on mole of N₂.

Then 4.52 moles of ammonia will give,

4.52 / 2 = 2.26 moles of N₂.

Therefore, 2.26 moles of N₂ is produced from 4.52 moles of NH₃.

Find more on ammonia gas:

https://brainly.com/question/15409518

#SPJ9

Answer:

Filtration

Explanation:

FILTRATION = A technique that uses a porous barrier to separate a solid from a liquid.

If the students repeat the experiment with same variables as before, then there would be no change in the  results.

Variables are defined as any characteristics, number or quantity which can be measured . It can also be called as a data item . It is called as variable because they can vary and can have variety of values.

There are three types of variables 1) manipulated variable where in a condition is specified, 2) responding variable which is dependent on manipulated variable 3)controlled variable which do not change.

Example of manipulated variables are number of hours spent by a student studying , that of responding variable is result of a student and temperature is an example of controlled variable.

Learn more about variables,here:

https://brainly.com/question/17344045

#SPJ1

The molarity of both Li+ and SO42- ions in a 0.611 M solution of Li2SO4 is 1.22 M.

Lithium sulfate is a white inorganic salt with the formula Li₂SO₄.

When lithium sulfate (Li2SO4) dissolves in water, it dissociates into Li+ and SO42- ions:

Li2SO4(s) → 2 Li+(aq) + SO42-(aq)

If we assume that Li2SO4 dissociates completely in solution, then we can calculate the molarity of the Li+ and SO42- ions separately.

For Li+, we can use the stoichiometry of the dissociation reaction to see that the concentration of Li+ ions is twice the concentration of Li2SO4:

[L i⁺] = 2 × [Li₂SO4] = 2 × 0.611 M = 1.22 M

For SO42-, we also need to take into account that each formula unit of Li2SO4 produces two SO42- ions. Therefore, the concentration of SO42- ions is twice the concentration of Li2SO4:

[SO4²⁻] = 2 × [Li₂SO4] = 2 × 0.611 M = 1.22 M

So the molarity of both Li+ and SO42- ions in a 0.611 M solution of Li2SO4 (assuming complete dissociation) is 1.22 M.

Learn more about lithium sulfate here : brainly.com/question/15646231

#SPJ1

The balanced chemical equation for the decomposition of dinitrogen pentoxide(N₂O₅) into nitrogen gas (N₂) and oxygen gas (O₂) is: 2 N₂O₅ → 2 N₂ + 5O₂.

In chemistry, a reaction refers to a process in which one or more substances, called reactants, are transformed into one or more different substances, called products. Reactions can be caused by a variety of factors, such as heat, light, or the presence of a catalyst, and they can occur in a wide range of physical states, including gases, liquids, and solids. There are many different types of chemical reactions, which can be classified based on their mechanisms, the nature of the reactants, and the properties of the products. For example, a reaction can be classified as a redox reaction if there is a transfer of electrons between the reactants, or as an acid-base reaction if there is a transfer of protons between the reactants.

Here,

This equation is balanced because it has the same number of atoms of each element on both the reactant and product side. On the left side, there are 2 nitrogen atoms, 10 oxygen atoms, and 2 molecules of N₂O₅. On the right side, there are 2 nitrogen atoms, 10 oxygen atoms, and 1 molecule of O₂ and 1 molecule of N₂.

To know more about reaction,

https://brainly.com/question/30564957

#SPJ1

The probability of the flowers being green (aa) is 2/4 or 1/2 (or 50%).

Alleles are alternative versions of a gene that exist at the same locus (position) on a chromosome. Genes code for specific traits or characteristics, and alleles represent different forms of the same gene that may produce different variations of that trait.

It depends on the genetic makeup of the flowers and the specific breeding pattern.

If we assume that the flowers follow Mendelian inheritance patterns, where each plant has two alleles (versions of a gene), and the A allele is dominant over the a allele (meaning if a plant has at least one A allele, it will have red flowers), then there are three possible genotypes for the flowers:

AA: homozygous dominant, which will produce red flowers

Aa: heterozygous, which will also produce red flowers (since the A allele is dominant)

aa: homozygous recessive, which will produce green flowers

If we don't know the specific genotype of the flowers, we can use the Punnett square to calculate the probability of each genotype. Assuming that the parent flowers are both Aa (heterozygous), the Punnett square would look like this:

     A       a

A  AA     Aa

a  Aa      aa

Each box represents a possible offspring genotype. We can see that there are two boxes that contain the aa genotype (green flowers), out of a total of four boxes. Therefore, the probability of the flowers being green (aa) is 2/4 or 1/2 (or 50%).

To know more about Alleles, visit:

https://brainly.com/question/7602134

#SPJ1

The following observations could indicate that a reaction had taken place:

C. A rise in temperature

D. A drop in temperature

A change in temperature can indicate that energy has been released or absorbed during the reaction, which can be an indicator that a chemical reaction has taken place.

Changes in volume, on the other hand, are not always an indicator that a chemical reaction has occurred, as they could also be due to physical changes (such as changes in pressure or the addition/removal of a gas). Therefore, A and B alone are not sufficient to indicate that a reaction has taken place.

Read more on chemical reaction here:https://brainly.com/question/11231920

#SPJ1

The creation of water (H2O), as well as the production of heat and light, signal the release of bond energy when hydrogen gas (H2) combines with oxygen gas (O2).

Bond Energy, commonly referred to as average bond enthalpy or just bond enthalpy, is a measurement that provides information about how strong a chemical bond is. "The average value determined from the bond dissociation enthalpies (in the gaseous phase) of all the chemical bonds of a certain type in a given chemical compound," is how the word "bond energy" is defined by the IUPAC. As a result, the average amount of energy needed to break one of these chemical bonds may be thought of as the bond energy of a chemical bond in a specific molecule.

Learn more about Bond Energy.

brainly.com/question/17514510

#SPJ4

The rate law for the ozonization of pentene is Rate = 8.55 x 10³[C₅H₁₀][O₃]².

Ozonization is a chemical process that involves the addition of ozone (O3) to a compound. This reaction can be used in a variety of applications, such as wastewater treatment, air purification, and organic synthesis. In organic chemistry, ozonolysis is a commonly used technique that involves the cleavage of carbon-carbon double bonds by reaction with ozone.

The rate law for the ozonation of pentene can be determined using the initial rate data given. The general form of the rate law is:

Rate = k[C₅H₁₀[tex]]^{m}[/tex][O₃]ⁿ

where k is the rate constant, m and n are the orders of the reaction with respect to C₅H₁₀ and O₃, respectively.

To determine the orders of the reaction with respect to C5H10 and O3, we can use the method of initial rates. This involves comparing the rates of the reaction under different initial concentrations of the reactants while holding the concentration of the other reactant constant. If the rate doubles when the concentration of a reactant doubles, then the reaction is first order with respect to that reactant. If the rate quadruples when the concentration of a reactant doubles, then the reaction is second order with respect to that reactant.

Using the data given, we can determine the orders of the reaction with respect to C₅H₁₀ and O₃ as follows:

For experiments 1 and 2:

Rate1/Rate2 = (k[C₅H₁₀]1[O₃]1)/(k[C₅H₁₀]1[O₃]2) = (425/849) = 0.50

[C₅H₁₀]1/[C₅H₁₀]2 = 1/1 = 1

Therefore, (k[O₃]1)/(k[O₃]2) = 0.50

O₃ is second order (n=2)

For experiments 1 and 3:

Rate1/Rate3 = (k[C₅H₁₀]1[O₃]1)/(k[C₅H₁₀]2[O₃]1) = (425/853) = 0.50

[O₃]1/[O₃]2 = 1/2 = 0.5

Therefore, (k[C₅H₁₀]1)/(k[C₅H₁₀]₂) = 1

C₅H₁₀ is first order (m=1)

Thus, the rate law for the ozonization of pentene is:

Rate = k[C₅H₁₀][O₃]²

The rate constant can be determined from any of the experiments by substituting the concentrations and initial rate into the rate law and solving for k. For example, using experiment 1:

Rate = k[C₅H₁₀][O₃]²

425 = k(0.102)(0.042)²

k = 8.55 x 10³ M⁻¹ s⁻¹

To know more about rate constant, visit:

https://brainly.com/question/20305871

#SPJ1

The microstructure features exactly two components and two different phases in the given nanostructure. Therefore, the correct option is option B.

Within physical chemistry, engineering, mining, as well as materials science, a phase diagram is a specific kind of diagram that displays the parameters  at which thermodynamically different phases arise and coexist at equilibrium.

Lines of equilibrium, also known as phase boundaries, or circumstances under which different phases may coexist at equilibrium, are typical elements of a phase diagram. The microstructure features exactly two components and two different phases in the given nanostructure.

Therefore, the correct option is option B.

To learn more about phase diagram, here:

https://brainly.com/question/16945664

#SPJ1

Answer: C. The amount of energy available for transport molecules.

The complete question is as follows:

Which of the following is not a factor that influences the rate of diffusion?

A. The distance of diffusion.

B. The concentration of the substance.

C. The amount of energy available for transport molecules.

D. The molecular weight of the diffusing molecules.

E. The temperature of the environment.

F. The size of the diffusing molecules.

Diffusion is the overall net movement of anything from a higher concentration to a lower concentration. A gradient in the Gibbs free energy or chemical potential drives diffusion.

The scent of a flower that quickly fills a room's still air is a common illustration. the movement of ions through a semipermeable membrane.

In conclusion, diffusion is a passive transfer of energy from a concentrated area to a less concentrated one.

Learn more about Diffusion here:

https://brainly.com/question/94094

#SPJ1

Answer:

14 moles

Explanation:

This is balanced equation:

BaBr2 + K2SO4 => 2KBr + BaSO4

1 mole of BaBr2 will produce 2 moles of KBr

=> 7 moles of BaBr2 will produce 7x2 = 14 moles of KBr

As the formation of HF is an exothermic reaction, the temperature of the surroundings would increase.

An exothermic reaction is defined as a chemical reaction which involves release of energy in the form of light,heat .In these reactions, energy is transferred from system to surroundings rather than taking energy from surroundings into system as in endothermic reactions.

In an exothermic reaction,change in enthalpy is negative.Therefore, it can be inferred that net amount of energy which is required to start the exothermic reaction is less than the net amount which is released by the reaction.

Learn more about exothermic reactions,here:

https://brainly.com/question/10373907

#SPJ1

5 electrons , then gains 3 so it will be 8 electrons total and when it gains electrons the charge should be -3 so the element u have will have a -3 charge .

If an atom or molecule gains an electron, it becomes negatively charged (an anion).

Carbanions have 5 valence electrons and a formal charge of 1−. Two other possibilities are carbon radicals and carbenes, both of which have a formal charge of zero.

If an object has more protons than electrons, then the net charge on the object is positive. If there are more electrons than protons, then the net charge on the object is negative. If there are equal numbers of protons and electrons, then the object is electrically neutral.

Answer:

The freezing point of a solution is lowered compared to the freezing point of the pure solvent. The amount of depression of the freezing point is proportional to the molality of the solute. The greater the molality of a solution, the lower its freezing point. To compare the freezing points of these solutions, we need to determine which one has the highest molality.

First, we need to determine the number of particles that each solute will produce in solution, as this affects the amount of depression of the freezing point.

KNO3 dissociates into two ions: K+ and NO3-, so it will produce two particles per formula unit.

BaCl2 dissociates into three ions: Ba2+ and two Cl-, so it will produce three particles per formula unit.

Ethylene glycol does not dissociate in solution, so it will produce one particle per molecule.

Na3PO4 dissociates into four ions: three Na+ and one PO43-, so it will produce four particles per formula unit.

Now, we can calculate the molality (moles of solute per kilogram of solvent) for each solution:

For 0.10 m KNO3: molality = 0.10 mol / 1 kg = 0.10 m

For 0.10 m BaCl2: molality = 0.10 mol x 3 particles / 1 kg = 0.30 m

For 0.10 m ethylene glycol: molality = 0.10 mol / 1 kg = 0.10 m

For 0.10 m Na3PO4: molality = 0.10 mol x 4 particles / 1 kg = 0.40 m

So, the solutions in order of decreasing freezing points are:

0.10 m Na3PO4 (highest molality)

0.10 m BaCl2

0.10 m KNO3 and 0.10 m ethylene glycol (same molality, but KNO3 has a smaller van't Hoff factor than ethylene glycol, so it will have a slightly higher freezing point)

Explanation:

Taking into account the reaction stoichiometry, 30.28 grams of Hg are formed using 2.7 grams of mercury (II) oxide.

The balanced reaction is:

2 HgO  → 2 Hg + O₂

By reaction stoichiometry (that is, the relationship between the amount of reagents and products in a chemical reaction), the following amounts of moles of each compound participate in the reaction:

The molar mass of the compounds is:

By reaction stoichiometry, the following mass quantities of each compound participate in the reaction:

The following rule of three can be applied: if by reaction stoichiometry 433.18 grams of HgO form 401.18 grams of Hg, 32.7 grams of HgO form how much mass of Hg?

mass of Hg= (32.7 grams of HgO×401.18 grams of Hg)÷433.18 grams of HgO

mass of Hg= 30.28 grams

Finally, 30.28 grams of Hg are formed.

Learn more about the reaction stoichiometry:

brainly.com/question/24741074

#SPJ1

Acid phosphoric Hydrogen is a triprotic acid, which means that each molecule of acid contains three protons that are acidic.

Radiation therapy can make use of streams of protons produced by specialised equipment.

These electrons move in distinct orbits around the nucleus. (ii) The mass of protons, which have a positive charge, is about 1 amu. His study during this time produced a nuclear reaction that caused the first atom to "split" in two.

The centre of every atom is called the nucleus, which is made up of neutral neutrons and protons (positive particles). Around the nucleus are electrons, which are negative particles. Unlike atoms of different elements, which have varying chemical characteristics and masses, all of an element's atoms have the same mass.

To know more about  protons visit :

https://brainly.com/question/1252435

#SPJ4

The graph which represents the relationship between pressure and volume for a sample of an ideal gas at constant temperature is referred to as option A.

This is referred to as a theoretical gas composed of many randomly moving point particles that are not subject to interparticle interactions.

The relationship between pressure and volume is a direct one such that as pressure increases the volume also increases and vice versa which is depicted in the graph shown in option a thereby making it the correct choice.

Read more about Ideal gas here https://brainly.com/question/20348074

#SPJ1

Answer: look at the image for the answer and the explanation

Explanation:

Answer:

b. A to E

Explanation:

The aspartic acid (aspartate) residue in the active site of the enzyme is likely critical to the catalytic mechanism because it is a charged amino acid and can participate in ionic interactions that stabilize the transition state of the catalyzed reaction. Since the alanine mutant is inactive, we need to introduce a charged amino acid at this position to restore the activity.

Out of the options given, the mutation that is most likely to restore the wild-type level of activity to the alanine mutant is (b) A to E. The glutamic acid (glutamate) amino acid is similar to aspartic acid in its chemical properties, as both are negatively charged amino acids. Therefore, introducing a glutamic acid residue at the mutated position is likely to restore the ionic interaction necessary for catalytic activity.

The concentration of the acid would be Molarity of acid is 0.55952 M

Acid is a type of chemical compound that has a sour taste and can cause corrosive damage to materials. Acids are often used as cleaning agents and are found in many everyday products, such as vinegar and lemon juice. Acids are also found in nature, such as in the form of rainwater. When acid reacts with a base, it creates a neutralized solution, which is known as a salt. Acids have a pH level that is less than 7 and bases have a pH level that is higher than 7. Acids can be strong or weak depending on the concentration of hydrogen ions in the solution. Strong acids are highly corrosive, while weak acids are less reactive.

The concentration of the acid can be determined by using the following equation:

Molarity of acid = (Volume of base (mL) * Concentration of base (M) )/ Volume of acid (mL)

In this case, the concentration of the acid would be calculated as follows:

Molarity of acid = (14 mL * 1 M )/ 25.1 mL = 0.55952 M

To learn more about acid
https://brainly.com/question/26855500
#SPJ1

Answer:

14

Explanation:

169.2K is the equilibrium temperature of the system after the insulating wall is removed.

Generally speaking, a condition of equilibrium is one in which nothing is changing. A body in equilibrium won't undergo any energy exchanges, either positive or negative. Equilibrium is defined significantly differently in biology, physics, and chemistry.

Yet the underlying idea is the same. A body in balance will be least affected by outside influences. Even when external pressures are present, the opposing forces often have a balanced impact on the item under consideration.

for gas, n1=1mol

               T1= 148K

for solid,n2=2mol

            T2=178K

for conservation of energy, ΔQ= Qgas+ Qsolid=0

Q= CvΔT

0=Cvgas(Teql-148) + Cvsolid(Teq-178)

0= 5/2×1×R(Teql-148) + 3×2×R(Teq-178)

Tequi= 169.2K

Therefore, 169.2K is the equilibrium temperature of the system after the insulating wall is removed.

To learn more about equilibrium, here:

https://brainly.com/question/16989820

#SPJ1

Answer:

The x-axis (horizontal) and the other along the y-axis (vertical).

Explanation:

hope that helped. :')

The mass of sliver deposited at the cathode during the electrolysis of Nitrate (AgNO₃) solution is 0.0011 gram.

The term electrolysis is defined as a chemical reaction that happens when an electric current is pass over through a substance. The substance gets or loses an electron during chemical reaction.

Given:

Current = 0.10 ampere

Tome = 10 second

Molar mass of Ag = 108 g mol−1

1 Faraday = 96500 C

Q = i × t

=0.1 × 10 × 60

= 60 Coulombs

Weight of the substance deposited = ZQ

Z=M/nF​

n-factor of AgNO3 ​= 1

Z = 108 / 1 × 96500

= 0.0011 gram

Thus, 0.0011 gram is the mass of Sliver deposited at the Cathode during the electrolysis of Nitrate (AgNO₃) Solution.

To learn more about electrolysis, follow the link;

https://brainly.com/question/12054569

#SPJ9

Your question is incomplete, most probably your question was

Calculate the mass of Sliver deposited at the Cathode during the electrolysis of Nitrate (AgNO3) Solution,use a current of 0.10 ampere for 10 minutes.