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lesson pretestMultiple Choice

Pretest

Question 1 • Chemistry

Consider the proportionality. cap p cap v proportional to n cap t What does this best represent?

Answer
A
combined gas law
B
Dalton’s law
C
Charles’s law
D
ideal gas law

Explanation

The ideal gas law is PV = nRT, where pressure times volume is proportional to the number of moles times the absolute temperature. The proportionality constant is the gas constant R, so PV ∝ nT represents the ideal gas law.

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