August 2018 NY Regents Chemistry Exam
16 At which temperature and pressure would a sample of helium behave most like an ideal gas? (1) 75 K and 500. kPa
(2) 150. K and 500. kPa
(3) 300. K and 50. kPa
(4) 600. K and 50. kPa
Solution: A real gas behaves most like an ideal gas at high temperature and low pressure.
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