问题
选择题
已知：2CO(g)+O2(g)=2CO2(g) △H=-566．0kJ/mol．由此判断CO的燃烧热是[ ]
A．-283．0kJ/mol
B．-566．0kJ/mol
C．283．0kJ
D．566．0kJ/mol
答案
答案：A
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已知：2CO(g)+O2(g)=2CO2(g) △H=-566．0kJ/mol．由此判断CO的燃烧热是[ ]
A．-283．0kJ/mol
B．-566．0kJ/mol
C．283．0kJ
D．566．0kJ/mol
答案：A
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| Zhang Wen is from China. She is in 1 middle school in Hefei. Her favorite animal is 2 . He likes music and he often listens to music on the Internet. Betty and David are her good 3 at school. Betty is from 4 . She likes 5 and she often watches the matches of the NBA. Betty's father is an English teacher in China. He likes 6 and he reads 7 books and magazines. David is from England. He 8 football and his favorite 9 is Manchester United. David also likes films and he often goes to the 10 at the weekend. | ||||
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