Chemical equilibrium, shifting R or L? Answer choices: A) increase B) decrease C

Question

Chemical equilibrium, shifting R or L?

Answer choices: A) increase B) decrease   C) no change   D) shift left   E) shift right   F) cannot be determined.

CH4 (g) + 2 H2S -----> CS2(g) + 4 H2(g)                  Delta H < 0

1. What will be the effect upon the equilibrium if the pressure on the system is increased?

2. What will be the effect upon the concentration of CH4 if the concentration of H2 is decreased?

3. What will be the effect upon the equilibrium if the concentration of H2 is decreased?

4. What will be the effect upon concentration of H2S if the concentration of CS2 is increased?

5. What will be the effect upon the equilibrium if H2 is removed and CH4 is added?

6. What will be the effect upon the concentration of H2 if the concentration of CS2 is increased?

7. What will be the effect upon the equilibrium if the temperature and concentration of H2 increases?

8. What will be the effect upon the concentration of CH4 if the temperature is increased?

9. What will be the effect upon the equilibrium if the concentration of CH4 is decreased and CS2 is increased?

10. What will be the effect upon equilibrium if a catalyst is added?

Explanation / Answer

1) D

2) B

3) E

4) A

5) E

6) B

7) D

8) A

9) D

10) C (ALL THESE QUESTIONS ARE RELATED TO LE CHATLIER PRINCIPLE)

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