At STP, 2.0 liters of N2(g) and 2.0 liters of O2(g) have the same
- Mayya Alocci
- Jul 31
- 1 min read
Regents Chemistry Exam June 2025 Question 16
16 At STP, 2.0 liters of N2(g) and 2.0 liters of O2(g) have the same
(1) density
(2) boiling point
(3) melting point
(4) number of molecules
Solution:
STP stands for standard temperature and pressure. Two gases that have the same volume (2L), temperature and pressure, will also have the same number of moles and molecules. Choice 4 is the correct answer choice.
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