The Gas Laws

IMPORTANT

The Gas Laws: Overview

This Topic covers sub-topics such as Charles' Law, Gay-Lussac's Law, Ideal Gas, Absolute Zero Temperature, Gas Laws, Combined Gas law, Isobar in Graph, Isochore in Graph, Graphs Based on Charles' Law, Graphs Based on Boyle's Law and, Isotherm in Graph

Important Questions on The Gas Laws

MEDIUM
IMPORTANT

The below graph represents Gay-Lussac’s law.

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Explain graphical representation of Gay-Lussac’s law.

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State the Gay-Lussac's law graphically.

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The slope of Gay-Lussac's law is 

MEDIUM
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The graph between P and T according to Gay lussac's law is a

EASY
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A gas is heated from 273 K to 373 K at 1 atm pressure. If the initial volume of the gas is 10 L, its final volume would be

EASY
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Air expands on heating and hence its density _____. (increases/ decreases)

EASY
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For a fixed amount of gas at constant temperature, volume of a gas is _____ proportional to the pressure of a gas.

HARD
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The slope for an isochore plotted for a van der Waal's gas neglecting molecular attractions is equal to:

MEDIUM
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What type of graph is obtain when pressure is plotted against volume? 

HARD
IMPORTANT

A combustible gas is stored in a metal tank at a pressure of 2.98 atm at 25°C. The tank can withstand a maximum pressure of 12 atm after which it will explode. The building in which the tank has been stored catches fire. Now predict whether the tank will blow up first or start melting?(Melting point of the metal =1100 K).

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The plot of volume versus pressure at constant temperature is _____. (hyperbola/parabola)

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Slope of the plot between PV and P at constant temperature is

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Define or state Charles' Law.

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Define or state Absolute temperature.

MEDIUM
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Graphs between pressure and volume are plotted at different temperatures. Which of the following isotherms represents Boyle's law as PV = constant?
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A flask of capacity 2 L is heated from 35 °C to 45 °C. What volume of air will escape from the flask?

HARD
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For same mass of two different ideal gases of molecular weights M1 and M2 , Plots of logV vslogp at a given constant temperature are shown. Identify the correct option.

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HARD
IMPORTANT

For 1 mol of an ideal gas, V1>V2>V3 in  fig.1, T1>T2>T3 in fig. 2, P1>P2>P3 in fig. 3, and T1>T2>T3 in fig. 4, then which curves are correct.

1.
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2.
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3.

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EASY
IMPORTANT

Read the following statement and explanation and answer as per the options given below:

Assertion: The pressure of a fixed amount of an ideal gas is proportional to its temperature

Reason: Frequency of collisions and their impact both increase in proportion to the square root of temperature