Question

A gas cylinder having a capacity of 2 litre contains a gas at 100 atm. How many flasks of 200 cm3 capacity can be filled from it at 10 ATM pressure, if the temperature remains constant

Answer 1

volume of gas is 2L at 100atm pressure
at 10atm, volume will be = 2×(100/10) = 20L
capacity of 1 flask = 200cm³ = 200ml = 0.2L
number of flasks that can be filled = 20/0.2 = 100

Answer 2

Question:

A cylinder of 20 litres capacity contains a gas at 100 atmospheric pressure. How many flasks of 200 cm³ capacity can be filled from it at 1 atmosphere pressure, temperature remaining constant?

Answer:

Given:

V1=20L=20000cm³

P1=100atm

V2=?

P2=1

According to Boyles' Law,

P1V1=P2V2

Solution:

100 × 20000 = 1 × V2

2000000 = V2

Also asked that,

how many flasks of 200 cm³ capacity can be filled from it at 1 atmospheric pressure and temperature remain constant.

Therefore,

According to Question:

2000000cm³ ÷ 200cm³

=10000 flasks Ans

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