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Predict the effect of raising the temperature upon each of the following gaseous equilibria:
(a) 2NO + O2⇌2NO2 + heat
(b) H2 + I2 + heat⇌2HI
(c) 2SO2 + O2⇌2SO3 + heat
(d) N2 +O2 + heat⇌2NO
(e) CO + H2O⇌CO2 + H2 + heat
Predict the effect of an increase in pressure upon each of the following gaseous equilibria:
(a) 2PH3 + 6Cl2⇌2PCl3 + 6HCl
(b) 2NO + O2⇌2NO2
(c) CO2 + H2⇌CO + H2O
(d) N2 + O2⇌2NO
(e) CH4 + H2O⇌CO + 3H2
In the following reaction of equilibrium 2NO + O2⇌ 2NO2 + 28.1 kcal, state the effect upon the equilibrium of each of the following changes.
(a) An increase in pressure
(b) A decrease in temperature
(c) The addition of a positive catalyst
(d) The addition of more oxygen
(e) The addition of more nitric oxide
What is the difference between a surface catalyst and a catalyst which enters a solution?
When anhydrous sodium sulfate dissolves in water, the solution becomes warmer than the temperature of the water before solution. How will the solubility of anhydrous sodium sulfate vary with temperature?
When ammonium acetate dissolves in water, the solution becomes cooler than the temperature of the water before solution. Is ammonium acetate more soluble at height or low temperature?
Derive the expression for the equilibrium constant for the reaction
2A + 4B⇌C + 3D.
Explain in the effect, if any, of increasing the pressure upon a mixture of ice and water.
Give three examples of application of Lee Chatelier's principle to chemical equilibria.
Calculate K for the reaction 2A + B⇌C + D
if at equilibrium A = 0.4 formula weights/liter, B = 0.5 formula weights/liter , C = 0.3 formula weights/liter, and D = 0.8 formula weights/liter.
