A.浓硫酸和NaOH溶液反应,生成 l mol水时放热57.3 kJ |
B.含l molH2SO4的稀硫酸与足量稀NaOH溶液中和后,放热为57.3 kJ |
C.1L 0.l mol/L CH3COOH与1L 0.l mol/L NaOH溶液反应后放热为5.73 kJ |
D.1L 0.l mol/L HNO3与 1L 0.l mol/L NaOH溶液反应后放热为 5.73 kJ |
A.1.3 | B.3.1 | C.1.6 | D.0.8 |
A.ΔH1+ΔH6=ΔH2+ΔH3+ΔH4+ΔH5 |
B.A―→D ΔH=ΔH1+ΔH2+ΔH3 |
C.A―→F ΔH=-ΔH6 |
D.ΔH1+ΔH2+ΔH3+ΔH4+ΔH5+ΔH6=0 |
A.(a+3b-2c)/2 kJ?mol-1 | B.(a+3b+2c)/6 kJ?mol-1 |
C.(a+3b-2c)/6 kJ?mol-1 | D.(a+3b+2c)/3 kJ?mol-1 |
A.①②③ | B.②③ | C.①② | D.①③④ |
A.-488.3 KJ/mol | B.+488.3KJ/mol |
C.-245.7KJ/mol | D.+245.7KJ/mol |
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