For the following endothermic reaction at equilibrium, where the double bornd in an oxygen molecule is broken to oxygen atoms, which conditions favor production of the greatest amber of O atoms? O(g)20(g) Adding an inert gas, like Ne, while keeping the volume constant Adding an inert gas. ike Ne, but the volume is allowed to increase, Decrease the partial pressure of the 02 molecules Decrease the temperature

For the following endothermic reaction at equilibrium, where the double bornd in an oxygen molecule is broken to oxygen atoms, which conditions favor production of the greatest amber of O atoms? O(g)20(g) Adding an inert gas, like Ne, while keeping the volume constant Adding an inert gas. ike Ne, but the volume is allowed to increase, Decrease the partial pressure of the 02 molecules Decrease the temperature

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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For the reaction at eqlibrlum: 3Fe(s) - 4H20(g) = Fez04(s) + 4H2(9), removing some of the product, Fe3O4(s), would: Multiple Choice Increase the value of the equilibrium constant, K Decrease the value of the equilibrium constant, K Shift the equilibrium to the right Shift the equilibrium to the left Cause no change
Dinitrogen tetraoxide and nitrogen dioxide are two gases that exist in equilibrium at a range of temperatures. NO₂ is a reddish brown gas while N₂O4 is colorless. At high temperature the red color is strong. At low temperature the gas has less color. If we represent the equilibrium as: 2 NO2 (9) N₂O4 (9) We can conclude that: 1. This reaction is O exothermic. O endothermic. O neutral. O More information is needed to answer this question. 2. When the temperature is decreased the equilibrium constant, K: O increases. O decreases. O remains the same. O More information is needed to answer this question. 3. When the temperature is decreased the equilibrium concentration of N₂O4: O increases. O decreases. O remains the same. O More information is needed to answer this question.
Why did heating cause the equilibrium to shift? In which direction did the equilibrium shift? Explain.
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In general, for a system at equilibrium, indicate the direction the equilibrium will shift for the following change. For an exothermic reaction there is an increase in temperature.
A 6.00 mol sample of solid A was placed in a sealed 1.00 L container and allowed to decompose into gaseous B and C. The concentration of B steadily increased until it reached 1.40 M, where it remained constant. A(s) B(g) + C(g) Then, the container volume was doubled and equilibrium was re-established. How many moles of A remain? moles of A: mol
Decide whether each of the following statements is true or false. If false, change the wording of the statement to make it true. a) The magnitude of the equilibrium constant is always independent of temperature. b) When two chemical equations are added to give a net equation, the equilibrium constant for the net equation is the product of the equilibrium constants of the summed equations. c) The equilibrium constant for a reaction has the same value as K for the reverse reaction. d) Only the concentration of CO2 appears in the equilibrium expression for the reaction: CaCO3 (s) ↔ CaO (s) + CO2 (g). e) For the reaction CaCO3 (s) ↔ CaO (s) + CO2 (g), the value of K is numerically the same whether the amount of CO2 is expressed as molarity or as gas pressure.
Nitric acid and nitrogen monoxide react to form nitrogen dioxide and water, like this: 2 HNO3(aq)+NO(g)→ 3 NO,(g)+H,0(1) At a certain temperature, a chemist finds that a 4.5 L reaction vessel containing a mixture of nitric acid, nitrogen monoxide, nitrogen dioxide, and water at equilibrium has the following composition: compound amount dlo HNO3 14.2 g 18 Ar NO 7.3 g NO, 19.2 g H,O 87.0 g Calculate the value of the equilibrium constant K for this reaction. Round your answer to 2 significant digits. K = 0 x10 ?
9) Consider the following reaction: com nitrogen gas: N₂F4(g) = 2NF2(g) where AH = + 38.5 kJ/mol a) Predict the equilibrium change if the reaction mixture is heated at constant volume. b) Predict the equilibrium change is some N₂F4 is removed without changing the temperature or the pressure. c) Predict the equilibrium change if pressure is decreased at constant temperature. d) Predict the equilibrium change if a catalyst is added.
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