Chemistry Homework Help

24/7 Chemistry Homework Help

Get step-by-step solutions from expert tutors.

How it works?

Ask a question

Type, take a picture, or paste your question with all necessary details to ensure high-quality responses.

Get an answer in less than 24hrs

Once our tutors receive the question, they'll begin. You'll get an email once the solution is ready.

Get Notified

We will send you email and text notification to let you know when your question is answered.

Browse Homework Solutions

168 solutions

Le Chatelier's Principle

Q. Oxygen and ozone are allowed to come to equilibrium in the exothermic reaction: 2O3(g) ⇌ 3 O2(g). Which change will increase the numerical value of the equilibrium constant, K?

Solved • Dec 13, 2019

Le Chatelier's Principle

Q. Consider this reaction at equilibrium. 2 SO2(g) + O2(g) ⇌ 2 SO3(g) ΔH=-198 kJ. Which change would cause an increase in the SO3/SO2 mole ratio? (A) adding a catalyst (B) removing O2(g) (C) decreasing the temperature (D) decreasing the pressure

Solved • Dec 13, 2019

Le Chatelier's Principle

Q. This reaction reaches equilibrium in a closed container. What happens if the volume of the container is decreased art constant temperature? Ch4(g) + H2O(g) ⇌ CO(g) + 2 H2(g)

Solved • Dec 13, 2019

Le Chatelier's Principle

Q. What happens to the product concentration if there is an addition of products when the reaction was originally at equilibrium?

Solved • Dec 7, 2019

Le Chatelier's Principle

Q. Consider this equilibrium: 2 SO2(g) + O2(g) ⇌ 2 SO3(g) The forward reaction (1) is proceeding at a certain rate at some temperature and pressure. When the pressure is increased, what might we expect for the forward reaction?

Solved • Dec 4, 2019

Le Chatelier's Principle

Q. Based on Le Châtelier’s principle, increasing pressure at constant temperature in which of the following reaction will not change the concentrations of the reactants and products? a. N2O4 (g) < - > 2NO2 (g) b. N2 (g) + O2 (g) < - > 2NO (g) c. 2N2 (g) + O2 (g) < - > 2N2O (g) d. N2 (g) + 3H2 (g) < - > 2 NH3 (g) e. N2 (g) + 2O2 (g) < - > 2NO2 (g)

Solved • Nov 18, 2019

Le Chatelier's Principle

Q. Increasing the temperature of an endothermic reaction results in ___________. Group of answer choices more reactants and products. fewer reactants and more products. no change in the quantities of reactants and products. fewer reactants and products. more reactants and fewer products.

Solved • Nov 18, 2019