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Chapter 8: Problem 1117

The first law of thermodynamics is concerned with the conservation of (A) momentum (B) energy (C) mass (D) temperature

Short Answer

Expert verified
The correct answer is (B) energy, as the first law of thermodynamics is concerned with the conservation of energy and states that energy cannot be created or destroyed, only converted from one form to another.

Step by step solution

01

Choose the correct answer based on the conservation concept

Comparing all the given options, we can see that: (A) momentum: This is not related to the conservation of energy. (B) energy: This is the correct answer, as the first law is about the conservation of energy. (C) mass: This is not applicable as the conservation of mass is not the focus of the first law of thermodynamics. (D) temperature: This is also incorrect as the first law of thermodynamics is not about the conservation of temperature. So, based on the given options, we find that the correct answer is (B) energy, which represents the conservation concept in the first law of thermodynamics.

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Most popular questions from this chapter

At Which temperature the density of water is maximum? (A) \(4^{\circ} \mathrm{F}\) (B) \(42^{\circ} \mathrm{F}\) (C) \(32^{\circ} \mathrm{F}\) (D) \(39.2^{\circ} \mathrm{F}\)

Work done by \(0.1\) mole of a gas at \(27^{\circ} \mathrm{C}\) to double its volume at constant Pressure is \(\quad\) Cal. $R=2\left\\{(\mathrm{Cal}) /\left(\mathrm{mol}^{\circ} \mathrm{K}\right)\right\\}$ (A) 600 (B) 546 (C) 60 (D) 54

If a quantity of heat \(1163.4 \mathrm{~J}\) is supplied to one mole of nitrogen gas, at room temperature at constant pressure, then the rise in temperature is \(\mathrm{R}=8.31\\{\mathrm{~J} /(\mathrm{m} \cdot 1 . \mathrm{k})\\}\) (A) \(28 \mathrm{~K}\) (B) \(65 \mathrm{~K}\) (C) \(54 \mathrm{~K}\) (D) \(40 \mathrm{~K}\)

A Container that suits the occurrence of an isothermal process should be made of (A) Wood (B) Copper (C) glass (D) Cloth

One \(\mathrm{kg}\) of adiatomic gas is at a pressure of $5 \times 10^{5}\left(\mathrm{~N} / \mathrm{m}^{2}\right)$ The density of the gas is \(\left\\{(5 \mathrm{~kg}) / \mathrm{m}^{3}\right\\}\) what is the energy of the gas due to its thermal motion ? (A) \(2.5 \times 10^{5} \mathrm{~J}\) (B) \(3.5 \times 10^{5} \mathrm{~J}\) (C) \(4.5 \times 10^{5} \mathrm{~J}\) (D) \(1.5 \times 10^{5} \mathrm{~J}\)
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