Gold has a specific heat of 0.129 J/(g×°C). How many joules of heat energy are required to raise the temperature of 15 grams of gold from 22 °C to 85 °C?

Answer 1

q = mC∆T

q = heat = ?

m = mass = 15 g

C = specific heat = 0.129 J/gº

∆T = change in temperature = 85º - 22º = 63º

q = (15 g)(0.129 J/gº)(63º) = 122 J