In PV = nRT, what does R represent?

Unlock all questions

This demo includes only 20 questions. Upgrade to access hundreds of questions, flashcards, exam simulations, and disable ads.

Full question bankExam simulationsFlashcards
From $25.99Unlock all

Prepare for the Chemistry CFE Test with our comprehensive quiz. Study using flashcards and multiple choice questions, each supplemented by hints and explanations. Get ready to excel!

Multiple Choice

In PV = nRT, what does R represent?

Explanation:
R is the gas constant, a proportionality constant that makes the ideal gas law work across different units and meaningfully connect pressure, volume, temperature, and amount of substance. It sets the scale so PV = nRT holds for any ideal gas when you use consistent units. In SI units it’s about 8.314 J/(mol·K); in liter-atm units it’s about 0.0821 L·atm/(mol·K). It’s not the rate constant from kinetics, nor the gravitational constant, nor the molar mass of a particular gas. The constant serves as a universal bridge between the macroscopic state variables and the amount of substance.

R is the gas constant, a proportionality constant that makes the ideal gas law work across different units and meaningfully connect pressure, volume, temperature, and amount of substance. It sets the scale so PV = nRT holds for any ideal gas when you use consistent units. In SI units it’s about 8.314 J/(mol·K); in liter-atm units it’s about 0.0821 L·atm/(mol·K). It’s not the rate constant from kinetics, nor the gravitational constant, nor the molar mass of a particular gas. The constant serves as a universal bridge between the macroscopic state variables and the amount of substance.

More Multiple Choice Questions
Subscribe

Get the latest from Passetra

You can unsubscribe at any time. Read our privacy policy