Question 14Specific Heat Values of MaterialsMaterialSpecific Heat Capacity (J/g °C)Air1.001Iron0.450Concrete0.230Water4.178Which material would be good to use as an insulator for a substance that needs to be kept at a high temperature and why?Aair; because the gas molecules are spaced far apart which transfers heat large distances Bconcrete; because the tiny air pockets in the material hold the heat in well Ciron; because the metallic atoms conduct heat well around the substance Dwater; because it has a high specific heat capacity value

A specific heat capacity is actually the amount of heat required to raise 1degree Celsius per gram of mass.The insulators are the devices which prevents heat to pass through it. If the substance is having high capacity then it requires more time to absorb more heat before it actually heats up (raise in temperature) to transfer the heat. the substance with high heat capacity is use to make the insulators. Among all the given option water have high heat capacity so it act as an insulator. Thus, option D is correct answer.

Answered: Which material would be good to use as…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question 14

Specific Heat Values of Materials
Material	Specific Heat Capacity (J/g °C)
Air	1.001
Iron	0.450
Concrete	0.230
Water	4.178

Which material would be good to use as an insulator for a substance that needs to be kept at a high temperature and why?

A	air; because the gas molecules are spaced far apart which transfers heat large distances
B	concrete; because the tiny air pockets in the material hold the heat in well
C	iron; because the metallic atoms conduct heat well around the substance
D	water; because it has a high specific heat capacity value

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