題目列表(包括答案和解析)
化學(xué)反應(yīng)N2+3H2=2NH3的能量變化如題13圖所示,該反應(yīng)的熱化學(xué)方程式是( )
A.N2(g)+3H2(g)=2NH3(1); △H=2(a-b-c)kJ·mol-1
B. N2(g)+3H2(g)=2NH3(g); △H=2(b-a)kJ·mol-1
C.N2(g)+
H2(g)=NH3(1); △H=(b+c-a)kJ·mol-1
D. N2(g)+
H2(g)=NH3(g); △H=(a+b)kJ·mol-1
A.N2(g)+3H2(g)=2NH3(1); △H=2(a-b-c)kJ·mol-1 |
B.N2(g)+3H2(g)=2NH3(g); △H=2(b-a)kJ·mol-1 |
C.![]() ![]() |
D.![]() ![]() |
化學(xué)反應(yīng)N2+3H2=2NH3的能量變化如題13圖所示,該反應(yīng)的熱化學(xué)方程式是( )
A.N2(g)+3H2(g)=2NH3(1); △H=2(a-b-c)kJ·mol-1 |
B.N2(g)+3H2(g)=2NH3(g); △H=2(b-a)kJ·mol-1 |
C.![]() ![]() |
D.![]() ![]() |
A.N2(g)+3H2(g)=2NH3(1); △H=2(a-b-c)kJ?mol-1
B. N2(g)+3H2(g)=2NH3(g); △H=2(b-a)kJ?mol-1
C.N2(g)+
H2(g)=NH3(1); △H=(h+c-a)kJ?mol-1
D. N2(g)+
H2(g)=NH3(g); △H=(a+b)kJ?mol-1
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