A furnace delivers 8.0 × 10⁴ BTU per hour. How many kilocalories per hour is this? (hint: 1 cal = 0.00397 BTU) A)3.2 × 10^{− 5} kcal B)3.2 × 10² kcal C)2.0 × 10⁴ kcal D)2.5 × 10² kcal

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Quizplus · Accepted Answer

To convert BTU to kilocalories, use the conversion factor: 1 cal = 0.00397 BTU. First, convert BTU to calories: 8.0 × 10^4 BTU / 0.00397 = 2.0 × 10^7 cal. Then, convert calories to kilocalories: 2.0 × 10^7 cal / 1000 = 2.0 × 10^4 kcal.

A Furnace Delivers 8