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A Small Birthday Candle Is Weighed

question 101

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A small birthday candle is weighed.It is then lighted and placed beneath a metal can containing 100 mL of water.Careful records are kept as the temperature of the water rises.Data from this experiment are shown on the graph in Figure 2.9.What amount of heat energy is released in the burning of candle wax? (Note that 1 liter of pure water has a mass of 1 kg. ) A small birthday candle is weighed.It is then lighted and placed beneath a metal can containing 100 mL of water.Careful records are kept as the temperature of the water rises.Data from this experiment are shown on the graph in Figure 2.9.What amount of heat energy is released in the burning of candle wax? (Note that 1 liter of pure water has a mass of 1 kg. )    Figure 2.9 A) 0.5 kilocalorie per gram of wax burned B) 5 kilocalories per gram of wax burned C) 10 kilocalories per gram of wax burned D) 20 kilocalories per gram of wax burned E) 50 kilocalories per gram of wax burned Figure 2.9


Definitions:

Units-Of-Production Method

An accounting method of depreciation where an asset's cost is allocated based on the number of units it manufactures or produces.

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