15. Chemical Equilibrium
Le Chatelier's Principle
01:41
이 주제를 연습하세요
- 객관식
Consider the reaction below:
CH4 (g) + F2 (g) ⇌ CF4 (g) + HF (g) H = + 38.1 KJ/mol
The following changes will shift the equilibrium to the left except one. Which one would not cause a shift to the left?
3427views6rank - 객관식
The following data was collected for the following reaction at equilibrium
2 A (g) + 3 B (g) ⇌ C (g)
At 25 oC K is 5.2 x 10-4 and at 50 oC K is 1.7 x 10-7. Which of the following statements is true?
a) The reaction is exothermic.
b) The reaction is endothermic.
c) The enthalpy change, ΔH, is equal to zero.
d) Not enough information is given.
2485views4rank - 객관식
Which direction will the following reaction (in a 10.0 L flask) proceed if a catalyst is added to the system?
CaCO3 (s) ⇌ CaO (s) + CO2 (g) Kp = 3.2 x 10-28
2972views6rank - 객관식
Consider the following gas reaction of A2 ( shaded spheres) and B2 ( unshaded spheres)
A2 (g) + B2 (g) ⇌ 2 AB (g)
Which container proceeds more to completion?
2961views7rank - 교과서 질문Is the yield of SO3 at equilibrium favored by a higher or lower pressure? By a higher or lower temperature?2 SO2(g) + O2 ⇌ 2 SO3(g) ∆H = -47 kcal/mol2161views
- 교과서 질문What effect do the listed changes have on the position of the equilibrium in the reaction of carbon with hydrogen?C(s) + 2 H2(g) ⇌ CH4(g) ∆H = -18 kcal/mol (-75kJ/mol)Increasing temperature1830views
- 교과서 질문What effect do the listed changes have on the position of the equilibrium in the reaction of carbon with hydrogen?C(s) + 2 H2(g) ⇌ CH4(g) ∆H = -18 kcal/mol (-75kJ/mol)Increasing pressure by decreasing volume1675views
- 교과서 질문What effect do the listed changes have on the position of the equilibrium in the reaction of carbon with hydrogen?C(s) + 2 H2(g) ⇌ CH4(g) ∆H = -18 kcal/mol (-75kJ/mol)Allowing CH4 to escape continuously from the reaction vessel1763views