Calculate the energy needed to increase the temperature by 75 °C for 0.8 kg of copper.The specific heat capacity of copper is 385 J/kg°C.You must include units in your answer.
Question
Calculate the energy needed to increase the temperature by 75 °C for 0.8 kg of copper.The specific heat capacity of copper is 385 J/kg°C.You must include units in your answer.
Solution
The formula to calculate the energy (Q) needed to change the temperature (ΔT) of a certain amount of a substance (m) with a specific heat capacity (c) is:
Q = m * c * ΔT
Given: m = 0.8 kg (mass of the copper) c = 385 J/kg°C (specific heat capacity of copper) ΔT = 75 °C (change in temperature)
Substitute the given values into the formula:
Q = 0.8 kg * 385 J/kg°C * 75 °C
Q = 23100 J
So, the energy needed to increase the temperature by 75 °C for 0.8 kg of copper is 23100 Joules.
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