Multiple Choice
In what way is N2 gas removed from the atmosphere?
7. Gases
The Ideal Gas Law
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Which of the following is not a variable in the Ideal Gas Law equation PV = nRT?
A
Volume (V)
B
Temperature (T)
C
Molarity (M)
D
Pressure (P)
Verified step by step guidance1
Identify the Ideal Gas Law equation: .
List the variables in the Ideal Gas Law: Pressure (P), Volume (V), Amount of substance (n), Ideal gas constant (R), and Temperature (T).
Understand that each variable in the equation represents a specific property of the gas: P is pressure, V is volume, n is the number of moles, R is the ideal gas constant, and T is temperature.
Recognize that Molarity (M) is not included in the Ideal Gas Law equation. Molarity is a measure of concentration, defined as moles of solute per liter of solution, and is not related to the properties of gases described by the Ideal Gas Law.
Conclude that Molarity (M) is not a variable in the Ideal Gas Law equation, as it does not appear in the equation .
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