What is the value of compressibility factor in terms of vander waal cons†an t at different conditions of pressure and volume?Why is Z>1 for H2 and He gas

What is the value of compressibility factor in terms of vander waal cons†an t at different conditions of pressure and volume?Why is Z>1 for H2 and He gas
What is the value of compressibility factor in terms of vander waal cons-an t at different conditions of pressure and volume-Why is Z-1 for H2 and He gas

If `Z` is a compressibility factor, van der Waals' equation at low pressure can be written as

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Torateal gas, the compressibility factor Z has different whues different temperatures and pressures. Which of the following is not correct under the given conditions? (a) Z<1 very low pressure. (b) Z>1 high

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