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In the ideal gas equation PV=nRT, what does 'n' represent?

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Question: In the ideal gas equation PV=nRT, what does \'n\' represent?

Options:

  1. Pressure
  2. Volume
  3. Number of moles
  4. Temperature

Correct Answer: Number of moles

Solution: 

\'n\' represents the number of moles of the gas in the ideal gas equation.

In the ideal gas equation PV=nRT, what does 'n' represent?

Practice Questions

Q1
In the ideal gas equation PV=nRT, what does 'n' represent?
  1. Pressure
  2. Volume
  3. Number of moles
  4. Temperature

Questions & Step-by-Step Solutions

In the ideal gas equation PV=nRT, what does 'n' represent?
Correct Answer: Number of moles of the gas
  • Step 1: Understand the ideal gas equation, which is PV = nRT.
  • Step 2: Identify each variable in the equation: P is pressure, V is volume, n is the number of moles, R is the gas constant, and T is temperature.
  • Step 3: Focus on the variable 'n'.
  • Step 4: Recognize that 'n' specifically refers to the amount of gas present, measured in moles.
  • Step 5: Conclude that 'n' tells us how many moles of gas are in the system.
  • Ideal Gas Law – The ideal gas equation relates pressure, volume, temperature, and the number of moles of a gas.
  • Moles of Gas – 'n' specifically quantifies the amount of substance in moles, which is a fundamental concept in chemistry.
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