Chemistry 1050 – Section 5.3: The Gas Laws – Flashcards

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question
What are the four basic properties of a gas sample?
answer
  1. Pressure (P)
  2. Volume (V)
  3. Temperature (T)
  4. Amount in Moles (n)
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What do the gas laws describe?
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The relationships between pairs of the properties of gases.
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What is the relationship between volume and pressure?
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There is an inverse relationship - an increase in one results in a decrease in the other.
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What does Boyle's Law assume?
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Constant temperature and constant amount of gas.
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What is Boyle's Law?
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At a constant temperature, the volume occupied by a fixed amount of gas is inversely proportional to the applied pressure.


P1V1=P2V2

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What is Charles's Law?
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At constant pressure, the volume occupied by a fixed amount of gas is directly proportional to its absolute temperature.
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How are volume and temperature related?
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Volume and temperature are linearly related.
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If two variables are linearly related, what does that mean?
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Plotting one against the other on a graph produces a straight line.
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What does extrapolate mean?
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To extend a graph past its plotted points.
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What is the value of absolute zero?
answer
0K
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What is the combined gas law?
answer
A combination of Charles's Law and Boyle's Law.
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What is Avogadro's Law?
answer
At fixed temperature and pressure, the volume of gas is directly proportional to the amount of any gas.
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What does Guy-Lussac's Law assume?
answer
Constant volume and number of moles.
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