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$\bullet$$\bullet$ A cylinder 1.00 $\mathrm{m}$ tall with inside diameter 0.120 $\mathrm{m}$ isused to hold propane gas (molar mass 44.1 $\mathrm{g} / \mathrm{mol} )$ for use in abarbecue. It is initially filled with gas until the gauge pressureis $1.30 \times 10^{6} \mathrm{Pa}$ and the temperature is $22.0^{\circ} \mathrm{C} .$ The temperature of the gas remains constant as it is partially emptied out of the tank, untill the gauge pressure is $2.50 \times 10^{5}$ Pa. Calculate the mass of propane that has been used.

195.059 $\mathrm{g}$

Physics 101 Mechanics

Chapter 15

Thermal Properties of Matter

Temperature and Heat

The First Law of Thermodynamics

The Second Law of Thermodynamics

Rutgers, The State University of New Jersey

Hope College

University of Winnipeg

McMaster University

Lectures

03:15

In physics, the second law of thermodynamics states that the total entropy of an isolated system can only increase over time. The total entropy of a system can never decrease, and the entropy of a system approaches a constant value as the temperature approaches zero.

03:25

The First Law of Thermodynamics is an expression of the principle of conservation of energy. The law states that the change in the internal energy of a closed system is equal to the amount of heat energy added to the system, minus the work done by the system on its surroundings. The total energy of a system can be subdivided and classified in various ways.

08:56

A cylinder 1.00 m tall wit…

03:01

0:00

04:31

A 20.0-L cylinder containi…

01:58

An LPG (liquefied petroleu…

01:43

A 200-L rigid tank contain…

03:06

$1.20.0$-$\mathrm{L}$ cyli…

01:37

03:50

Calculate A 2.00-L flask i…

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