in an experiment 0.92 g of propan-1-ol,C3H7OH,was burned and the heat given off used to raisethe temperature of 250 g of water.The temperature rise was 16 °C.\x05\x05\x05\x05\x05\x05(d) Calculate a value for the standard enthalpy of combustion of pr
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in an experiment 0.92 g of propan-1-ol,C3H7OH,was burned and the heat given off used to raise
the temperature of 250 g of water.
The temperature rise was 16 °C.
\x05\x05\x05\x05\x05\x05
(d) Calculate a value for the standard enthalpy of combustion of propan-1-ol from this
experimental data.
将0.92克1丙醇燃烧,放出热量使250克水升温16度,
要求计算异丙醇的热焓,
热焓的单位是千焦/摩尔,
0.92克相当于0.92/60=0.015摩尔,
水的比热是1,250克水升高16度,热量=250*16=4KJ
所以异丙醇的热焓:4/0.015=266KJ/摩尔
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