Questions1. Water is in equilibrium with its vapor in a closed vessel at constant temperature.For each of the following changes indicate if more vapor, less vapor or no effecton amount of vapor will occur in order to reestablish equilibriumH2O(1) H2O(g)a. The reaction is moved to a largervesselb. Water vapor is removedC. Temperature is decreasedd. More liquid water is added2. Consider the following reaction:PCI5(g) PCI3(g) + Cl2(g) AH = 87.9 kJ/reactionFor each of the following changes, indicate whether the reaction will proceedtowards products, towards reactants, or have no net reaction to reestablishequilibrium.a.Temperature is increasedb.The pressure is increased bydecreasing the volume.С.The pressure is decreased by removingsome PCI5(g)d.The pressure is increased byadding N2(g)e.Cl2(g) is removed.f.The temperature is increased and thevolume of the vessel is increasedsimultaneously.66 3. Consider the following reaction:N2O4(g) 2 NO2(g)colorlessbrowna. As the flask is cooled the color becomes lighterbrown. Is the reaction endo- or exothermic?b. The size of the vessel is decreased.Does the color become lighter or darker?C. Some N2O4(g) is removed.Does the color become lighter or darker?4. Consider the following exothermic reaction which is used as a source of O2 insome self-contained breathing devices.4 KO2(s) + 2 CO2(g) 2K2CO3(s) + 3 O2(g)The above reaction is at equilibrium in a closed container. For each of thefollowing changes, indicate whether the reaction will proceed towards products,towards reactants, or have no net reaction to reestablish equilibrium.a. CO2(g) is addedb. O2(g) is removedС.Some K2CO3(s) is removedd. The temperature is increasede. The reaction is moved to a smallervessel.f. The pressure in increased byadding N2(g)g. What general conditions oftemperature and pressure favormaximum yield of O2(g)?67

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1. Water is in equilibrium with its vapor in a closed vessel at constant temperature. For each of the following changes indicate if more vapor, less vapor or no effect on amount of vapor will occur in order to reestablish equilibrium H2O(1) H20(g) a. The reaction is moved to a larger vessel b. Water vapor is removed C. Temperature is decreased d. More liquid water is added

1. Water is in equilibrium with its vapor in a closed vessel at constant temperature. For each of the following changes indicate if more vapor, less vapor or no effect on amount of vapor will occur in order to reestablish equilibrium H2O(1) H20(g) a. The reaction is moved to a larger vessel b. Water vapor is removed C. Temperature is decreased d. More liquid water is added

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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