The specific heat capacity of solid copper metal is 0.385 J g^-1 K^-1. How many joules of heat are needed to raise the temperature of a 1.55 kg block of copper from 33.0 °C to 77.5 °C?

Question

Quizplus · Accepted Answer

We can use the formula:

Q = m * c * ΔT

where Q is the heat energy, m is the mass, c is the specific heat capacity, and ΔT is the change in temperature.

Using the given values, we have:

Q = (1.55 kg) * (0.385 J/g°C) * (77.5°C - 33.0°C)
Q = 2.66 × 10^4 J

Therefore, the answer is choice C, 2.66 × 10^4 J.

The Specific Heat Capacity of Solid Copper Metal Is 0