Answered

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A sample of a solid organic compound is completely combusted in a calorimeter. The heat generated by combustion is transferred to the water, causing the temperature of the water to increase. Based on the data in the table above, which of the following is the best estimate of the heat of combustion, ΔHcomb, of the organic solid? (The specific heat of water is 4.2J/(g⋅°C) )

Mass of solid = 1 g
Mass of water = 2000 g
Change in T of water is = +2.1*C

Sagot :

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