EASY
9th ICSE
IMPORTANT
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What will be the minimum pressure required to compress 500dm3 of air at 1 bar to 200dm3 if temperature is kept constant?

Important Questions on Study of Gas Laws

EASY
9th ICSE
IMPORTANT

2litres of a gas is enclosed in a vessel at a pressure of  760 mm Hg. If temperature remains constant, calculate pressure when volume changes to 4 dm3.

EASY
9th ICSE
IMPORTANT

At constant temperature, the effect of change of pressure on volume of gas was as given below:

                               

Pressure in atmospheres Volume in litres
0.20 112
0.25 89.6
0.40 56
0.80 28
1.00 22.4

(a) plot the following graphs
1. P vs V 

2. P vs I/V

3.PV vs P

EASY
9th ICSE
IMPORTANT

At constant temperature, the effect of change of pressure on volume of gas was as given below:

                               

Pressure in atmospheres Volume in litres
0.20 112
0.25 89.6
0.40 56
0.80 28
1.00 22.4

(b) Assuming that the pressure values given above are correct, find the correct measurement of the volume at 0.60 atmosphere pressure.

EASY
9th ICSE
IMPORTANT
800 cm3 of gas is collected at 654 mm pressure. At what pressure would the volume of the gas reduce by 40% of its original volume, temperature remaining constant.
EASY
9th ICSE
IMPORTANT
A cylinder of 20 litres capacity contains a gas at 100 atmospheric pressure. How many flakes of 200 cm3 capacity can be filled from it at 1 atmospherics pressure, temperature remaining constant ? 
EASY
9th ICSE
IMPORTANT
A steel cylinder of internal volume20 litres is filled with hydrogen at 29 atmospheric pressure. If hydrogen is used to fill a balloon at 1.25 atmospheric pressure at the same temperature, what volume will the gas occupy?
EASY
9th ICSE
IMPORTANT
561dm3 fo a gas at S.T.P. is filled in a 748dm3 container. If temperature is constant, calculate the percentage change in pressure required.
EASY
9th ICSE
IMPORTANT
88 cm3 of nitrogen is at a pressure of 770 mm mercury. If the pressure is raised to 880 mm Hg, find by how much the volume will diminish, temperature remains constant.