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How much energy, in joules, is released when 17 kilograms of granite is cooled from 45°C to 21°C?
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How much energy, in joules, is released when 17 kilograms of granite is cooled from 45°C to 21°C?

User Brendan Nee
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(0.790 J/g·K) x (17 x 10^3 g) x (45 - 21) K = 322320 J = 3.2 x 10^5 J
User Blomster
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