1等体积(相同状况)的H2与C3H8完全燃烧时,H2放出的热量是C3H8放出热量的(0.129 )倍.2H2(g)+O2(g)→2H2O(l)+572 kJ , C3H8(g)+502(g)→3CO2(g)+4H2O(l) +2220kJ />2.50mL1.0mol/L HCl跟50mL1.1mol /L NaOH 溶液进行中和
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![1等体积(相同状况)的H2与C3H8完全燃烧时,H2放出的热量是C3H8放出热量的(0.129 )倍.2H2(g)+O2(g)→2H2O(l)+572 kJ , C3H8(g)+502(g)→3CO2(g)+4H2O(l) +2220kJ />2.50mL1.0mol/L HCl跟50mL1.1mol /L NaOH 溶液进行中和](/uploads/image/z/3000339-27-9.jpg?t=1%E7%AD%89%E4%BD%93%E7%A7%AF%28%E7%9B%B8%E5%90%8C%E7%8A%B6%E5%86%B5%29%E7%9A%84H2%E4%B8%8EC3H8%E5%AE%8C%E5%85%A8%E7%87%83%E7%83%A7%E6%97%B6%2CH2%E6%94%BE%E5%87%BA%E7%9A%84%E7%83%AD%E9%87%8F%E6%98%AFC3H8%E6%94%BE%E5%87%BA%E7%83%AD%E9%87%8F%E7%9A%84%EF%BC%880.129+++%29%E5%80%8D.2H2%28g%29%EF%BC%8BO2%28g%29%E2%86%922H2O%28l%29%2B572+kJ+++%2C+C3H8%EF%BC%88g%29%2B502%28g%29%E2%86%923CO2%EF%BC%88g%29%2B4H2O%EF%BC%88l%29+%2B2220kJ+%2F%3E2.50mL1.0mol%2FL+HCl%E8%B7%9F50mL1.1mol+%2FL+NaOH+%E6%BA%B6%E6%B6%B2%E8%BF%9B%E8%A1%8C%E4%B8%AD%E5%92%8C)
1等体积(相同状况)的H2与C3H8完全燃烧时,H2放出的热量是C3H8放出热量的(0.129 )倍.2H2(g)+O2(g)→2H2O(l)+572 kJ , C3H8(g)+502(g)→3CO2(g)+4H2O(l) +2220kJ />2.50mL1.0mol/L HCl跟50mL1.1mol /L NaOH 溶液进行中和
1等体积(相同状况)的H2与C3H8完全燃烧时,H2放出的热量是C3H8放出热量的(0.129 )倍.
2H2(g)+O2(g)→2H2O(l)+572 kJ , C3H8(g)+502(g)→3CO2(g)+4H2O(l) +2220kJ
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2.50mL1.0mol/L HCl跟50mL1.1mol /L NaOH 溶液进行中和反应.若盐酸与 NaOH 溶液起始平均温度均为 20.0℃,温度计指示最高温度为 26.7℃,溶 液的密度为 1.0g/cm3,比热 C=4.184J/(g· ℃),则中和热为 (56 )kJ/mol.如何求质量,
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1等体积(相同状况)的H2与C3H8完全燃烧时,H2放出的热量是C3H8放出热量的(0.129 )倍.2H2(g)+O2(g)→2H2O(l)+572 kJ , C3H8(g)+502(g)→3CO2(g)+4H2O(l) +2220kJ />2.50mL1.0mol/L HCl跟50mL1.1mol /L NaOH 溶液进行中和
1阿伏加德罗定律.相同状况且体积相同所以物质的量相同.放出热量之比可以用1mol算也就是(572/2)/2220=0.1288约等于0.129
2.不太会