Questions: Quiz 11 - Chapter 5 Chapter 5 Question 20 - Multiple Choice Part A The units of specific heat are J / mol g-K / J or g · °C / J K / J or °C / J J / K or J / °C J / g-K or J / g°C

Solution Steps

Specific heat is defined as the amount of heat required to raise the temperature of one gram of a substance by one degree Celsius (or one Kelvin). The units of specific heat are typically expressed in terms of energy per unit mass per degree temperature change.

We need to identify the correct units for specific heat from the given options:

1. $\mathrm{J} / \mathrm{mol}$
2. $\mathrm{g}-\mathrm{K} / \mathrm{J}$ or $\mathrm{g} \cdot{ }^{\circ} \mathrm{C} / \mathrm{J}$
3. $\mathrm{K} / \mathrm{J}$ or ${ }^{\circ} \mathrm{C} / \mathrm{J}$
4. $\mathrm{J} / \mathrm{K}$ or $\mathrm{J} /{ }^{\circ} \mathrm{C}$
5. $\mathrm{J} / \mathrm{g}-\mathrm{K}$ or $\mathrm{J} / \mathrm{g}{ }^{\circ} \mathrm{C}$

The correct units for specific heat should be in terms of energy per unit mass per degree temperature change. This corresponds to $\mathrm{J} / \mathrm{g}-\mathrm{K}$ or $\mathrm{J} / \mathrm{g}{ }^{\circ} \mathrm{C}$.

Final Answer