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In the context of gas laws, what does the term 'R' represent in the ideal gas eq

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Question: In the context of gas laws, what does the term \'R\' represent in the ideal gas equation PV = nRT?

Options:

  1. Gas constant
  2. Universal constant
  3. Molar volume
  4. Temperature

Correct Answer: Gas constant

Solution: 

In the ideal gas equation, R is the universal gas constant, which relates the pressure, volume, temperature, and number of moles of a gas.

In the context of gas laws, what does the term 'R' represent in the ideal gas eq

Practice Questions

Q1
In the context of gas laws, what does the term 'R' represent in the ideal gas equation PV = nRT?
  1. Gas constant
  2. Universal constant
  3. Molar volume
  4. Temperature

Questions & Step-by-Step Solutions

In the context of gas laws, what does the term 'R' represent in the ideal gas equation PV = nRT?
  • Step 1: Understand the ideal gas equation, which is PV = nRT.
  • Step 2: Identify each symbol in the equation: P is pressure, V is volume, n is the number of moles, T is temperature.
  • Step 3: Recognize that R is a constant that helps relate these variables together.
  • Step 4: Know that R is called the universal gas constant.
  • Step 5: Remember that R has a specific value (approximately 0.0821 L·atm/(K·mol)) when using certain units.
  • Ideal Gas Law – The relationship between pressure (P), volume (V), temperature (T), and the number of moles (n) of a gas, represented by the equation PV = nRT.
  • Universal Gas Constant – The constant 'R' in the ideal gas equation, which has a specific value depending on the units used for pressure, volume, and temperature.
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