a. Explanation Given data: d = 10 cm , p g = 120 psi , h = 30 cm and T = 20 ° C . Formula used: Consider the expression of ideal- gas law . p V = n R T (1) Here, p is the pressure, V is the volume, n is the number of moles, R is the gas constant, which is known as 8.315 J mol ⋅ K , and T is the temperature. Write the expression for gage pressure ( p g ) . p g = p − p atmos (2) Here, p is the absolute pressure, and p atmos is the atmospheric pressure, which is known as 1.0 atm. Write the another expression for number of n moles ( n ) . n = N N A (3) Here, N is number of atoms, and N A is the Avogadro’s number , which is known as 6.02 × 10 23 mol − 1 . Convert the ideal gas temperature from ° C to Kelvin. T = ( 20 + 273 ) K = 293 K Rearrange equation (2). p = p g + p atmos Substitute 120 psi for p g and 1 atm for p atmos , p = 120 psi + 1 atm = 120 psi + 14.7 psi { ∵ 1 atm = 14.7 psi } = 134.7 psi Find the volume of a cylinder ( V ) . V = π r 2 h = π ( d 2 ) 2 h Substitute 10 cm for d and 30 cm for h , V = π ( 10 cm 2 ) 2 ( 30 cm ) = π ( 5 cm ) 2 ( 30 cm ) = π ( 5 × 10 − 2 m ) 2 ( 30 × 10 − 2 m ) { ∵ 1 cm = 1 × 10 − 2 m } = π ( 2 b. To determine To find: The mass of the helium.

College Physics: A Strategic Approach (3rd Edition)

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ISBN: 9780321879721

Author: Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field

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Chapter 12, Problem 73GP

To determine

To find: How many helium atoms are in cylinder.

To determine

To find: The mass of the helium.

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Chapter 12, Problem 72GP

Chapter 12, Problem 74GP

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Chapter 12 Solutions

College Physics: A Strategic Approach (3rd Edition)

Ch. 12 - Which has more mass, a mole of Ne gas or a mole of...Ch. 12 - If you launch a projectile upward with a high...Ch. 12 - Prob. 3CQ Ch. 12 - If you buy a sealed bag of potato chips in Miami...Ch. 12 - If you double the typical speed of the molecules...Ch. 12 - Two gases have the same number of molecules per...Ch. 12 - a. Which contains more particles, a mole of helium...Ch. 12 - If the temperature T of an ideal gas doubles, by...Ch. 12 - A bottle of helium gas and a bottle of argon gas...Ch. 12 - A gas cylinder contains 1.0 mol of helium at a...

Ch. 12 - Prob. 11CQ Ch. 12 - Prob. 12CQ Ch. 12 - What is the maximum amount of work that a gas can...Ch. 12 - You need to precisely measure the dimensions of a...Ch. 12 - A common trick for opening a stubborn lid on a jar...Ch. 12 - Your cars radiator is made of steel and is filled...Ch. 12 - Materials A and B have equal densities, but A has...Ch. 12 - Prob. 18CQ Ch. 12 - You need to raise the temperature of a gas by 10C....Ch. 12 - A sample of ideal gas is in a cylinder with a...Ch. 12 - A student is heating chocolate in a pan on the...Ch. 12 - If you bake a cake at high elevation, where...Ch. 12 - The specific heat of aluminum is higher than that...Ch. 12 - A student is asked to sketch a pV diagram for a...Ch. 12 - In some expensive cookware, the pot is made of...Ch. 12 - If you live somewhere with cold, clear nights, you...Ch. 12 - Prob. 27MCQ Ch. 12 - Prob. 28MCQ Ch. 12 - A gas is compressed by an isothermal process that...Ch. 12 - Prob. 30MCQ Ch. 12 - Prob. 31MCQ Ch. 12 - Prob. 32MCQ Ch. 12 - Prob. 33MCQ Ch. 12 - Prob. 34MCQ Ch. 12 - 100 g of ice at 0C and 100 g of steam at 100C...Ch. 12 - Suppose the 600 W of radiation emitted in a...Ch. 12 - Prob. 37MCQ Ch. 12 - Prob. 38MCQ Ch. 12 - Prob. 1P Ch. 12 - How many grams of water (H2O) have the same number...Ch. 12 - Prob. 3P Ch. 12 - How many cubic millimeters (mm3) are in 1 L?Ch. 12 - Prob. 5P Ch. 12 - Prob. 6P Ch. 12 - An ideal gas is at 20C. 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How many helium atoms are in cylinder.

Solution Summary: The author explains how to convert the ideal gas temperature from °C to Kelvin.

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To find: How many helium atoms are in cylinder.

To find: The mass of the helium.

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Chapter 12 Solutions