2. How much energy, in joules, is released when 17 kilograms of granite is cooled from 45°C to 21°C?
332,320 joules is released when 17 kilograms of granite is cooled from 45 degrees Celsius to 21 degrees Celsius. Solution: Where: m = 17 kg; T = 45°C - 21°C = 24 °C; And, from a table the specific heat, C, of granite is 790 J/kg°C; Therefore, you get: 17 kg * 790 J/kg°C * (24°C) = 322,320.
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Asked 10/12/2018 6:37:02 AM
Updated 10/12/2018 7:31:45 AM
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332,320 joules is released when 17 kilograms of granite is cooled from 45 degrees Celsius to 21 degrees Celsius. Solution: Where: m = 17 kg; T = 45°C - 21°C = 24 °C; And, from a table the specific heat, C, of granite is 790 J/kg°C; Therefore, you get: 17 kg * 790 J/kg°C * (24°C) = 322,320.
Added 10/12/2018 7:31:45 AM
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