Problem 10.26 - Enhanced - with Feedback Part A A fixed quantity of gas at 24 °C

Question

Problem 10.26 - Enhanced - with Feedback Part A A fixed quantity of gas at 24 °C exhibits a pressure of 760 torr and occupies a volume of 5.12L Calculate the volume the gas will occupy if the pressure is increased to 1.87 atm while the temperature is held constant. Express the answer in liters to three significant figures You may want to reference ( -pages 401-403) Section 10.3 while completing this problem A2 Submit My Answers Give Up Part B Calculate the volume the gas will occupy if the temperature is increased to 185 °C while the pressure is held constant. Express the answer in liters to three significant figures. A2 Submit My Answers Give Up

Explanation / Answer

A)

we have:

V1 = 5.12 L

P1 = 760.0 torr

= (760.0/760) atm

= 1 atm

P2 = 1.87 atm

we have below equation to be used:

P1*V1 = P2*V2

1.0 atm * 5.12 L = 1.87 atm * V2

V2 = 2.74 L

Answer: 2.74 L

B)

we have:

V1 = 5.12 L

T1 = 24.0 oC

= (24.0+273) K

= 297 K

T2 = 185.0 oC

= (185.0+273) K

= 458 K

we have below equation to be used:

V1/T1 = V2/T2

5.12 L / 297.0 K = V2 / 458.0 K

V2 = 7.90 L

Answer: 7.90 L

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