A.-488.3 kJ/mol | B.+488.3 kJ/mol |
C.-191 kJ/mol | D.+191 kJ/mol |
物质 | 甲 | 乙 | CO | H2 |
燃烧热/kJ/mol | 1 366 | 5 518 | 283 | 286 |
A.H+ | B.OH- | C.Al3+ | D.HCO3- |
A.大于10.00 mL | B.小于10.00 mL |
C.等于10.00 mL | D.等于11.00 mL |
A.pH=5的NH4Cl溶液 |
B.pH=5的NaHSO4溶液 |
C.pH=8的CH3COONa溶液 |
D.pH=8的NaOH溶液 |
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