题干
—Do you like cooking, Sally?
— . Luckily I’ve never had to worry about it.
— . Luckily I’ve never had to worry about it.
A：Never mind
B：Not really
C：I don’t agree
D：You said it
答案(点此获取答案解析）
B
2SO3(g) ΔH＝－196.6 kJ·mol－1，平衡时容器内气体压强为起始时的90%。保持同一反应温度，在相同容器中，将起始物质的量改为4 mol SO2、3 mol O2、2 mol SO3(g)，下列说法正确的是
