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7 January, 16:20

The gas in the piston is at constant temperature. A student increases the pressure on the piston from 2 atm to 3 atm. The observation will be summarized in a row of the incomplete table below.

1

Boyle's law

?

?

2

Charles's law

?

?

3

Gay-Lussac's law

?

Volume, moles of gas

4

Combined gas law

?

?

Which row of the table and which observation would the student fill?

row 1, volume decreases when temperature decreases

row 1, volume decreases when pressure increases

row 3, volume decreases when temperature decreases

row 3, volume decreases when pressure increases

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Answers (1)
  1. 7 January, 18:11
    0
    The answer is row 1, volume decreases when pressure increases. The given condition is a demonstration of Boyle's Law, which tells that the volume of a given amount of gas reserved at constant temperature is contrariwise proportional to the pressure. When the pressure is augmented by pushing the piston downwards, the gas will be compacted and its volume will decrease.
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