Paragraph for below question In chemistry, we face problems that can be solved if we relate the work term to the internal pressure of the system. We can relate work to internal pressure of the system under reversible conditions by writing equation as follows wrev =−∫ViVipexdV=−∫ViVf(pin ±dp)dV Since dp×dV is very small we can write wrev=−∫ViVrpin dV Also, expansion of a gas in vaccum (pex=0) is called free expansion. Q. Work done during the reversible expansion of 2 mol ideal gas from 1 L to 10 L at constant temperature of 27∘C will be Only One Correct Answer

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Paragraph for below question In chemistry, we face problems th

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Paragraph for below question In chemistry, we face problems that can be solved if we relate the work term to the internal pressure of the system. We can relate work to internal pressure of the system under reversible conditions by writing equation as follows $w_{rev} = - \int_{V_{i}}^{V_{i}} p_{e x} d V = - \int_{V_{i}}^{V_{f}} (p_{in} \pm d p) d V$ Since $d p \times d V$ is very small we can write $w_{rev} = - \int_{V_{i}}^{V_{r}} p_{in} dV$ Also, expansion of a gas in vaccum $(p_{e x} = 0)$ is called free expansion. Q. Work done during the reversible expansion of 2 mol ideal gas from $1 L$ to $10 L$ at constant temperature of $2 7^{\circ} C$ will be Only One Correct Answer

$- 2.76 cal$
$- 2.76 kcal$
$+ 2.76 kcal$
$+ 2.76 cal$

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Paragraph for below question In chemistry, we face problems that can be solved if we relate the work term to the internal pressure of the system. We can relate work to internal pressure of the system under reversible conditions by writing equation as follows

w_{rev} = - \int_{V_{i}}^{V_{i}} p_{e x} d V = - \int_{V_{i}}^{V_{f}} (p_{in} \pm d p) d V

Since

d p \times d V

is very small we can write

w_{rev} = - \int_{V_{i}}^{V_{r}} p_{in} dV

Also, expansion of a gas in vaccum

(p_{e x} = 0)

is called free expansion. Q. Work done during the reversible expansion of 2 mol ideal gas from

1 L

10 L

at constant temperature of

2 7^{\circ} C

will be Only One Correct Answer

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Question Text	Paragraph for below question In chemistry, we face problems that can be solved if we relate the work term to the internal pressure of the system. We can relate work to internal pressure of the system under reversible conditions by writing equation as follows $w_{rev} = - \int_{V_{i}}^{V_{i}} p_{e x} d V = - \int_{V_{i}}^{V_{f}} (p_{in} \pm d p) d V$ Since $d p \times d V$ is very small we can write $w_{rev} = - \int_{V_{i}}^{V_{r}} p_{in} dV$ Also, expansion of a gas in vaccum $(p_{e x} = 0)$ is called free expansion. Q. Work done during the reversible expansion of 2 mol ideal gas from $1 L$ to $10 L$ at constant temperature of $2 7^{\circ} C$ will be Only One Correct Answer
Topic	Thermodynamics
Subject	Physics
Class	Class 11

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