Question

At low pressure the van der Waal’s equation is reduced to
(a) Z=pVₘ/RT=1-ap/RT
(b) Z=pVₘ/RT=1+b/RT p
(c) pVₘ = RT (d) Z = pVₘ/RT = 1 - a/RT

Answer 1

Answer:

Some characters are not being typed

Answer 2

At low pressure the van der Waal’s equation is reduced to $\bold{Z=\frac{PV_{m}}{RT}=1-\frac{a}{RTV_{m}}}$

Step by step explanation:

The Vander waal equation is as follows.

                        $(P+\frac{a}{V_{m}^{2}})(V_{m}-b)=RT$.............................(1)

At low pressure,

Volume of the gas sufficiently high and the constant "b" is ignored in the expression -1 reduced to

                                $(P+\frac{a}{V_{m}^{2}})(V_{m})=RT$

                                     $PV_{m}+\frac{a}{V_{m}}=RT$

                                     $\Rightarrow PV_{m}=RT-\frac{a}{V_{m}}$

                                  $\bold{Z=\frac{PV_{m}}{RT}=1-\frac{a}{RTV_{m}}}$

Therefore, At low pressure the van der Waal’s equation is reduced to $\bold{Z=\frac{PV_{m}}{RT}=1-\frac{a}{RTV_{m}}}$.

Hence, correct option is "d".

Read more on Brainly.in -

https://brainly.in/question/5361048

https://brainly.in/question/15426511