At which pressure and temperature does a sample of He(g) behave most like an ideal gas?
- Mayya Alocci
- Oct 20
- 1 min read
Regents Chemistry Exam August 2025 Question 15
15 At which pressure and temperature does a sample of He(g) behave most like an ideal gas?
(1) 0.5 atm and 137 K (3) 2.0 atm and 137 K
(2) 0.5 atm and 546 K (4) 2.0 atm and 546 K
Solution:
A real gas behaves most like an ideal gas at low pressure and high temperature. Choice 2 is the correct answer.
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