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One way of writing the equation of state for real gases is `PV = RT [1+(B)/(V)+…]` where `B` is a constant. An approximate expression for `B` in terms of the van der Waals constant 'a' and 'b' is

A

`B = a - (b)/(RT)`

B

`B = b - (a)/(RT)`

C

`B = RT -(a)/(b)`

D

`B - (b)/(a)`

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The correct Answer is:
B
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One way of writing the equation of state for real gases is PV=RT[1+(B)/(V)+…] where B is a constant. Derive an approximate expression for B in terms of the van der Waals constants a and b .

One way of writing the equation of state for real gases is PV=RT[1+(B)/(V)+….] where B is a constant. Derive an approximate expression for B in terms of the van der Waals constants a and b .

The units of the van der Waal's constant 'b' are

Write the units of van der Waals' constant 'a' and 'b'.

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