Compared to a sample of helium at STP, the same sample of helium at a higher temperature and a lower

June 2017 NY Regents Chemistry Exam

17 Compared to a sample of helium at STP, the same sample of helium at a higher temperature and a lower pressure
(1) condenses to a liquid
(2) is more soluble in water
(3) forms diatomic molecules
(4) behaves more like an ideal gas

Solution: Real gases behave most like ideal gases at high temperature and low pressure.

Answer: 4

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