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  • Thermodynamics

Thermodynamics

Question
CBSEENCH11008370
Wired Faculty App

Three moles of an ideal gas expanded spontaneously into the vacuum. The work done will be

  • infinte

  • 3 J

  • 9 J

  • zero

Answer
Multi-choise Question

D.

zero

W = pext. ΔV
For vaccum,
ptext = 0
therefore,
W = 0  ΔV = 0

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Some More Questions From Thermodynamics Chapter

Define thermodynamics.

What do you understand by the terms: the system and surroundings?

Classify the following into different types of systems:
(i) Tea placed in a cup
(ii) Tea placed in a tea-pot
(iii) Tea placed in a thermosflask. 

Define a closed system.

Define an isolated system.

Define intensive properties.

Define extensive properties.

Why all living systems need to be 'open systems'?

Define state variables of a system.

From thermodynamic point of view, to which system the animals and plants belong?

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