Three moles of an ideal gas expanded spontaneously into the vacuum. The work done will be
infinte
3 J
9 J
zero
D.
zero
W = pext. ΔV
For vaccum,
ptext = 0
therefore,
W = 0 ΔV = 0
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?
Mock Test Series
