The activity of pure hydrogen gas at 1000°C and 5 atm pressure

1.	The activity of pure hydrogen gas at 1000°C and 5 atm pressure
A.	is always less than 1.
B.	is always greater than 1.
C.	can be 5.
D.	depends on the choice of the standard state.
Answer» E.

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The activity of pure hydrogen gas at 1000°C and 5 atm pressure

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