Chemistry College

PLEASE SOLVE ALL FOUR BOXES IF POSSIBLE AND COLOR CODE THEM!! I REALLY NEED THE HELP!! GIVING LOTS OF POINTS!!

NEED HELP HURRY PLEASE

PLEASE SOLVE ALL FOUR BOXES IF POSSIBLE AND COLOR CODE THEM!! I REALLY NEED THE HELP!! GIVING LOTS OF

Answers

Answer 1

1) The higher the temperature and the concentration, the more the Collison between the reactants and the more they react. A catalyst only speeds up the rate of reaction

2) The Collison frequency, orientation and the activation energy

3) At equilibrium, the rate of the forward and the reverse reactions are the same.

4) Increasing the concentration of the reactants would shift the equilibrium to the right

5) Decreasing the products would shift the equilibrium position to the right.

What is the collision theory?

Chemistry has a hypothesis known as the collision theory that describes how chemical reactions take place. According to this, reacting particles (atoms, molecules, or ions) must collide in order for a reaction to occur. The theory offers a framework for comprehending the variables that affect the likelihood and pace of chemical reactions.

The influence of variables including temperature, concentration, surface area, and the presence of catalysts on the pace of chemical reactions is explained in part by the collision hypothesis.

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Related Questions

The pressure of a sample of helium in a 1L container is .988 atm. What is the new pressure if the sample is placed in a 2L container?

Answers

Answer:

The new pressure will be 0.494 atm.

Explanation:

We can use the ideal gas law to solve this problem:

PV = nRT

where:

P is the pressureV is the volumen is the number of moles of gasR is the ideal gas constantT is the temperature

We know that the initial pressure is 0.988 atm, the initial volume is 1 L, and the temperature is constant.

We also know that the final volume is 2 L.

We can solve for the final pressure as follows:

[tex]P_2 = \frac{P_1V_1}{V_2}[/tex]

substituting value

[tex]P_2 = \frac{0.988\: atm*1 L}{2 L}[/tex]

[tex]P_2 = 0.494 atm[/tex]

Therefore, the new pressure will be 0.494 atm.

Which formula represents an isomer of CH3− CH2− COOH?

CH3−C−OH−CH3

CH3−CO−O−CH3

CH3−CO−CO−CH3

CH3−CH2−CO2−CH3

Answers

The formula that represents an isomer of CH3−CH2−COOH is D. CH3−CH2−CO2−CH3.

An isomer is a compound that has the same molecular formula but differs in the arrangement or connectivity of its atoms. In this case, the molecular formula is CH3−CH2−COOH, which represents the carboxylic acid called propanoic acid.

Option D, CH3−CH2−CO2−CH3, is an isomer of propanoic acid. It represents methyl propanoate, an ester formed by the reaction of propanoic acid with methanol. In this isomer, the -COOH group of propanoic acid is replaced with -COOCH3 group, indicating the presence of an ester functional group.

Options A, B, and C do not represent isomers of CH3−CH2−COOH. Option A, CH3−C−OH−CH3, represents dimethyl ether, an entirely different compound. Option B, CH3−CO−O−CH3, represents dimethyl carbonate, which also has a different structure. Option C, CH3−CO−CO−CH3, represents a compound known as methyl propanoate, which is not an isomer but the same compound as option D. Therefore, option D is correct.

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