How much energy is required to raise the temperature of 3 g of silver from 15 C to 20C?

To calculate the energy required to raise the temperature of silver, we can use the formula ( Q = mc\Delta T ), where ( Q ) is the heat energy, ( m ) is the mass, ( c ) is the specific heat capacity, and ( \Delta T ) is the change in temperature. The specific heat capacity of silver is approximately 0.24 J/g°C. For 3 g of silver, raising the temperature from 15°C to 20°C ((\Delta T = 5°C)) requires ( Q = 3 , \text{g} \times 0.24 , \text{J/g°C} \times 5 , \text{°C} = 3.6 , \text{J} ). Thus, 3.6 joules of energy is needed.