A butane burner is used to heat water. The Mr of butane is 58.
● of butane is –2877kJ mol–1
.
● 250 g of water is heated from 12 °C to 100 °C.
● The burner transfers 47% of the heat released from the burning fuel to the water.
Assume that the butane undergoes complete combustion and none of the water evaporates.
What is the minimum mass of butane that must be burnt?
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250 g iavehskksvrja BBC svsinshslwks
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