The Figure Shows a PV Diagram for 8

question 15

Multiple Choice

The figure shows a pV diagram for 8.3 g of ideal nitrogen gas N₂ in a sealed container. The temperature of state 1 is 59°C, the atomic mass of the nitrogen atom is 14 g/mol, and R = 8.31 J/mol ∙ K. What are (a) pressure p₁ and (b) temperature T₂?

• A) (a) 81 atm, (b) 660°C
• B) (a) 14 atm, (b) 660°C
• C) (a) 81 atm, (b) 120°C
• D) (a) 14 atm, (b) 120°C

---

Definitions:

Purchasing Power

How much goods or services can be bought with one unit of money, indicating the currency's value.

Real Interest Rates

This is the interest rate after inflation adjustment, demonstrating the true cost of loans or the actual gains from savings accounts.

Nominal Interest Rates

The interest rates before adjustments for inflation, indicating the gross return on financial investments or loans.

Inflation

The rate of increase in the general price index for goods and services, leading to a decrease in how much can be bought.