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Showing posts with label THE STATE OF MATTER. Show all posts
Showing posts with label THE STATE OF MATTER. Show all posts

# (A) Moles and pressure of gas in both the containers before heating. (B) Moles and pressure in two containers after heating. Assume that initially the larger container is completely evacuated.

## Wednesday, October 5, 2022

### How to calculate Payload of a Balloon?

Payload of a Balloon if defined as maximum mass which a Balloon can carry with in it upward direction.
If V is the volume of Balloon , d_out is the density of out side air , d_in is the density of gas inside of Balloon  and Maas of Balloon is m then

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## Tuesday, October 19, 2021

### Equal moles of hydrogen and oxygen gases are placed in a container with a pin-hole through which both can escape. What fraction of the oxygen escapes in the time required for one- half of the hydrogen to escape.

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## Monday, December 7, 2020

### The stop-cock connecting the two bulbs of 5dm3 and 10dm3 contains an ideal gas at 10 bar and 10 bar respectively is opened. Thus final pressure if two bulbs opened at the same temperature is

At constant temperature

P1V1+P2V2 =PR(V1+V2)

5x10 +10x5 = PR(5+10)

PR= 100/15 =6.67 bar.

Related Questions;

### Two closed bulbs of equal volume (V) containing an ideal gas initially at pressure Pi and temperature Ti are connected through a narrow tube of negligible volume as shown in the figure below. The pressure of one of the bulb is raised to T2. The final pressure is: (JEE Mains-2016)

Initially both bulbs are under similar condition hence number of moles of gas in each container

Total number of moles in both bulbs;

When temperature of one of the bulb is increases from T1 toT2 then final pressure Pf  and number of moles.