IF ANYBODY KNOWS THEN ONLY U WILL ANSWER IT AND WITH STEPWISE EXPLAINATION :
A cylinder of gas is assumed to contain 11.2 kg of butane (C4 H 10 ) . If
a normal family needs 20000 kJ of energy per day. The cylinder will
last: (Given that AH for combustion of butane is - 2658 kJ)
(a)25 days
(b) 24 days
(c) 20 days
(d)26 days
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Answer:
b) 24 days........
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