How many kilowatt-hours is generated when burning 2.5 g of methane produces 125 kJ of heat?
A) 3.5 × 102 kWh
B) 3.5 × 10 − 1 kWh
C) 3.5 × 10 − 2 kWh
D) 3.5 × 10 − 3 kWh
E) 3.5 × 10 − 4 kWh
Correct Answer:
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