1. Given the reaction at equilibrium:
Xâ‚‚(g) + 2 Y (g) â†” 2 XYâ‚‚ (g) + 80kJ
The equilibrium point will shift to the right if the pressure is
a) increased and the temperature is increased
b) increased and the temperature is decreased
c) decreased and the temperature is increased
d) decreased and the temperature is decreased

2. Given the equilibrium reaction at constant pressure:
2 HBr (g)+ 17,4 kcal â†” Hâ‚‚(g) + Brâ‚‚(g)
When the temperature is increased, the equilibrium will shift to the
a) right, and the concentration of HBr(g) will decrease
b) right, and the concentration of HBr(g) will increase
c) left, and the concentration of HBr(g) will decrease
d) right, and the concentration of HBr(g) will increase

3. Base your answer to the following question on the following system at equilibrium:
2CLâ‚‚ (g) + 2Hâ‚‚O(g) â†” 4 HCl(g) + Oâ‚‚(g), Î”H=+27kcal
if the temperature of the system is increased at the constant pressure, the rate of the toward reaction will
a) decrease
b) increase
c) remain the same

4. Write the equilibrium expression for the reaction Naâ‚‚SOâ‚„ â†”Naâ‚‚O(s) + SOâ‚ƒ(g)
Calculate Keq if the equilibrium mixture contains 2,0g Naâ‚‚SOâ‚„, 1,5g Naâ‚‚O and 6,0g SOâ‚ƒ all in a 3 liter container.

5. For ZnCOâ‚ƒ
a) write the chemical equation for the dissociation
b) write the equilibrium solubility product expression
c) calculate Keq if the solubility of Zinc Carbonate is 0,622g/100 g H2O

1. Given the reaction at equilibrium: Xâ‚‚(g) + 2 Y (g) â†” 2 XYâ...