已知2SO2(g)+O2(g) 2SO3(g)；△H= -197kJ/mol，同温下，往相同体积的密闭容器甲、乙中分别充入2molSO2、1molO2和1molSO3、1molSO2、0.5molO2

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已知2SO₂(g)+O₂(g)

2SO₃(g)；△H= -197kJ/mol，同温下，往相同体积的密闭容器甲、乙中分别充入2molSO₂、1molO₂和1molSO₃、1molSO₂、0.5molO₂，当它们分别达到平衡时放出的热量为Q₁KJ和Q₂KJ，则下列比较正确的是

A：Q₂=1/2Q₁=98.5

B：Q₂=1/2Q₁<98.5

C：Q₂<1/2Q₁<98.5

D：无法确定

上一题下一题 0.0难度选择题更新时间:2018-11-29 05:40:11

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C

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I have a good friend in my class. His name is Jim. He is from England. He is in China with his parents. He likes China. He likes Chinese food very much. He has breakfast at home. He eats an egg. bread and milk for breakfast. He doesn't like fish. He has lunch at home. The lunch in his school is delicious. He can have different kinds of food for lunch. He eats rice, meat and vegetables. Sometimes he has noodles and dumplings. He has supper at home with his friends. Sometimes he goes out to eat with his friends. He has meat , vegetables and fruit for dinner.

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