Question

Define Cp and Cv also tell why Cp is greatr than Cv

Answer 1

$\huge\mathbb\red{ANSWER}$

What is Cp and Cv ?

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☑Cp is the specific heat at constant pressure .

☑Cv is the specific heat at constant volume

Now ,

What is specific heat ?

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☑Amount of heat that required to raise the temperature by 1°C .

Why Cp is always greater than Cv?

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As Cp is amount of heat that required to raise the temperature by 1°C when heat is given at constant pressure.

So pressure is fixed in Cp but some work may be done . So heat may produce.So more energy required to increase the temperature of system.

But ,

Cv is the amount of heat that required to raise the temperature by 1°C when heat is given at constant volume.

According to the equation

W = P∆V

if volume is constant then workdone is Zero . So no heat produced .Whole energy is used to increase the temperature of a system.

Result

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So we get that Cp > Cv

$\boxed{Hope\:it\:helps\:you}$

Answer 2

Answer -

CV vs CP. ... CV is the specific heat at constant volume, and CP is the specific heat at constant pressure. Specific heat is the heat energy required to raise the temperature of a substance (per unit mass) by one degree Celsius.

Cp value is always greater than Cv value. Because, when u heat a gas at constant pressure, u have to change its volume. ... Therefore raise its temperature, some more extra heat has to be supplied. On the other hand, if u heat the gas at constant volume, it does not perform work and its energy is conserved.

I hope it help u ✌