Consider the Following Heating Curve for the Generic Substance Z

question 45

Multiple Choice

Consider the following heating curve for the generic substance Z.
-About how much energy was added to convert all of this sample of Z from the liquid at the boiling point to the gas at the boiling point?

• A) 60 cal
• B) 80 cal
• C) 550 cal
• D) 780 cal

---

Definitions:

Disposable Income

Income remaining after deduction of taxes and social security charges, available to be spent or saved as one wishes.

Consumption Spending

The total money spent by households in an economy on goods and services.

Marginal Propensity

The fraction of an additional unit of income that is spent on consumption rather than being saved.