What does the linear relation passing near the origin (V → 0 as T → 0) demonstrate?

Charles's law: V is directly proportional to T (in K). A straight line through the origin on V vs T (K) shows V ∝ T at constant P and n — Charles's law.

Charles's law: V is directly proportional to T (in K).

Ideal-gas behavior is impossible at low T.

Avogadro's law: V is proportional to moles.

Boyle's law: V is inversely proportional to T.

Ideal Gas Law

AP Chemistry· difficulty 3/5

The same gas sample is now heated at constant pressure (1.0 atm). Volume vs absolute temperature is recorded.

What does the linear relation passing near the origin (V \to 0 as T \to 0) demonstrate?

A
$Charles's law: V is directly proportional to T (in K).$
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B
$Ideal-gas behavior is impossible at low T.$
C
$Avogadro's law: V is proportional to moles.$
D
$Boyle's law: V is inversely proportional to T.$

Explanation

A straight line through the origin on V vs T (K) shows V \propto T at constant P and n — Charles's law.

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