Ideal Gas Law: Pressure, Volume, and Temperature
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Questions and Answers

What does the ideal gas law relate to each other?

  • Pressure and volume only
  • Pressure, volume, and temperature only
  • Pressure, volume, temperature, and number of moles (correct)
  • Temperature and number of moles only

In the ideal gas law formula, what is represented by 'P'?

  • Ideal gas constant
  • Number of moles
  • Volume
  • Pressure (correct)

What is the unit used to measure volume in the ideal gas law formula?

  • Moles
  • Liters (correct)
  • Grams
  • Atmospheres

Which constant is known as the ideal gas constant?

<p>R (D)</p> Signup and view all the answers

What causes gas pressure according to the text?

<p>Collisions of gas particles with each other and the container (B)</p> Signup and view all the answers

How do gases react to different containers according to the text?

<p>Expand and contract to fit the container size (A)</p> Signup and view all the answers

Why must temperature always be measured using the Kelvin scale in the ideal gas law?

<p>To ensure a positive value for temperature in calculations (B)</p> Signup and view all the answers

What happens to gas pressure in a smaller cylinder compared to a larger can?

<p>It is much higher due to restricted movement and more collisions. (B)</p> Signup and view all the answers

What does a decrease in temperature do to the gas pressure?

<p>Decreases the pressure. (D)</p> Signup and view all the answers

How can the pressure of a gas be calculated?

<p>By knowing volume, temperature, and number of moles of the gas. (A)</p> Signup and view all the answers

Which formula is used to calculate the pressure of a gas?

<p>Ideal Gas Law formula (C)</p> Signup and view all the answers

What happens to the volume of gases when they are compressed?

<p>Volume decreases (B)</p> Signup and view all the answers

How does an increase in temperature affect the volume of a gas?

<p>Volume increases (C)</p> Signup and view all the answers

What does the ideal gas law formula calculate?

<p>Pressure, temperature, and volume of a gas (D)</p> Signup and view all the answers

At what temperature would 1.5 moles of helium gas have to be kept to maintain its volume at 3.2L and a pressure of 6.5 atm?

<p>450K (B)</p> Signup and view all the answers

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