題目列表(包括答案和解析)
A.N2H4(g)+
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B.2N2H4(g)+N2O4(g)=3N2(g)+4H2O(g);△H=-1059.3kJ/mol | ||||
C.2N2H4(g)+N2O4(g)=3N2(g)+4H2O(g);△H=-1076.7kJ/mol | ||||
D.N2H4(g)+
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肼(N2H4)是火箭發(fā)動機(jī)的燃料,反應(yīng)時N2O4為氧化劑,生成氮?dú)夂退魵猓阎?/P> N2(g)+2O2(g)=N2O4(g);△H=+8.7kJ/mol N2H4(g)+O2(g)=N2(g)+2H2O(g);△H=-534.0kJ/mol 下列表示肼跟N2O4反應(yīng)的熱化學(xué)方程式,正確的是 | |
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A. |
2N2H4(g)+N2O4(g)=3N2(g)+4H2O(g);△H=-542.7kJ/mol |
B. |
2N2H4(g)+N2O4(g)=3N2(g)+4H2O(g);△H=-1059.3kJ/mol |
C. |
2N2H4(g)+N2O4(g)=3N2(g)+4H2O(g);△H=-1076.7kJ/mol |
D. |
N2H4(g)+N2O4(g)=N2(g)+2H2O(g);△H=-1076.7kJ/mol |
N2(g)+2O2(g)====N2O4(g);ΔH=+8.7 kJ·mol-1
N2H4(g)+O2(g) ====N2(g)+2H2O(g);ΔH=-534.0 kJ·mol-1
下列表示肼跟N2O4反應(yīng)的熱化學(xué)方程式,正確的是
A.2N2H4(g)+N2O4(g)====3N2(g)+4H2O(g);ΔH=-542.7 kJ·mol-1
B.2N2H4(g)+N2O4(g) ====3N2(g)+4H2O(g);ΔH=-1 059.3 kJ·mol-1
C.2N2H4(g)+N2O4(g) ====3N2(g)+4H2O(g);ΔH=-1 076.7 kJ·mol-1
D.N2H4(g)+N2O4(g)====N2(g)+2H2O(g);ΔH=-1 076.7 kJ·mol-1
肼(N2H4)是火箭發(fā)動機(jī)的燃料,反應(yīng)時N2O4為氧化劑,生成氮?dú)夂退魵狻R阎?/p>
N2(g)+2O2(g)=N2O4(g);△H=+8.7kJ/mol
N2H4(g)+O2(g)=N2(g)+2H2O(g);△H=-534.0kJ/mol
下列表示肼跟N2O4反應(yīng)的熱化學(xué)方程式,正確的是 ( )
A.2N2H4(g)+N2O4(g)=3N2(g)+4H2O(g);△H=-542.7kJ/mol
B.2N2H4(g)+N2O4(g)=3N2(g)+4H2O(g);△H=-1059.3kJ/mol
C.2N2H4(g)+N2O4(g)=3N2(g)+4H2O(g);△H=-1076.7kJ/mol
D.N2H4(g)+N2O4(g)=N2(g)+2H2O(g);△H=-1076.7kJ/mol
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