Answer to question 5.51 Applications The temperature of a gas is raised from 25\

Question

Answer to question 5.51

Applications The temperature of a gas is raised from 25'C to 50C. will the volume double if mass and pressure do not change? Why or why not? Verify your answer to Question 5.45 by calculating the temperature needed to double the volume of the gas. Determine the change in volume that takes place when a 2.00-L sample of N(g) is heated from 250 C to 500°C. Determine the change in volume that takes place when a 2.00-L sample of N2(g) is heated from 250 K to 500 K A balloon containing a sample of helium gas is warmed in an oven. If the balloon measures 1.25 L at room tempera- ture (20 C), what is its volume at 80 C? 5.45 5.46 5.47 5.48 5.49 5.50 The balloon described in Question 5.49 was then placed in 5.51 A balloon, filled with Ny has a volume of 2.00 L at an a refrigerator at 39 F. Calculate its new volume. indoor temperature of 68 F. When placed outdoors, the volume was observed to increase to 2.20 L. What is the outdoor temperature in F? 5.52 A balloon, filled with an ideal gas, has a volume of 5.00 L at 50 F. At what temperature (F) would the balloon's vol- ume double?

Explanation / Answer

5.51)

volume V1 = 2.00 L

volume V2 = 2.20 L

temperature T1 = 68 oF = 293.15 K

temperature T2 = ??

V1 / T1 = V2 / T2

2.00 / 293.15 = 2.20 / T2

T2 = 322.465 K

out door temperature = 122.7 oF

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