Question

Calculate the heat energy needed to change the temperature of 2 kg of copper from 10°C to 110°C.

If you could show your process and equations used, that would be very helpful! Thanks!

Answer 1

heat = 20 Kcal

Step-by-step explanation:

Answer 2

77000 J

Step-by-step explanation:

Formula for the heat energy is;

Q = m•c•Δt

We are given;

mass; m = 2 kg

Change in temperature; Δt = 110 - 10 = 100 °C

From online values, specific heat capacity of copper is; c = 385 J/kg.°C

Thus;

Q = 2 × 100 × 385

Q = 77000 J