To heat 110 g of aluminum from 10 to 100 ° C, 9.1 kJ is required. Calculate the specific heat of aluminum.

To calculate the specific heat capacity of aluminum, you need to use the formula: Q = Ca * m * (t2 – t1), whence Ca = Q / (m * (t2 – t1)), where Q is the heat required to heat aluminum (Q = 9.1 kJ = 9.1 * 10 ^ 3 J); m is the mass of taken aluminum (m = 110 g = 0.11 kg); t2 – final temperature (t2 = 100 ºС); t1 – temperature before heating (t1 = 10 ºС).

Let’s calculate: Ca = 9.1 * 10 ^ 3 / (0.11 * (100 – 10)) ≈ 919 J / (kg * K).

Answer: The specific heat is 919 J / (kg * K).



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