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Chanchal Kumar Grade: 11
`        How the volume occupied by 1 mole atom of diatomic gas at NTP will be 11.2 litres?`
7 years ago

## Answers : (5)

ABHISHEK JAIN AskiitiansExpert-IITD
20 Points
```										Dear Chanchal,
Mole = Volume/22.4 (At S.T.P or N.T.P.)
so according to this formula 1 Mole of gas occupies 22.4 litres at N.T.P.

suuppose diatomic gas is O2
1 mole of O2 gas occupies  22.4 lit at N.T.P.
since O2 consist of two atoms means 1 mole of O2 contains 2 mole atom of oxygen.
thus we can say since 1 mole of O2 or 2 mole atoms of oxygen occupies = 22.4 litres at N.T.P.
therefore 1 mole atom of oxygen occupies = 22.4/2 = 11.2 litres at N.T.P.

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```
7 years ago
Rohit Singh
33 Points
```										Its like that.
1 mole of diatomic gas at STP or NTP=22.4L
this means 2*(i mole of atom not molecule)=22.4
=> 1 mole atom(not molecule)=22.4/2
=11.2 litre.
```
7 years ago
suresh
22 Points
```										why one mole gas is having same volume at stp and ntp, both are not same temperatures. according to charles law, v is proportionl to volume.
```
2 years ago
suresh
22 Points
```										why one mole gas is having same volume at stp and ntp, both are not same temperatures. according to charles law, v is proportionl to temperature
```
2 years ago
Bhawani shankar Sahu
32 Points
```										actually the volume at NTP and STP are not equal. at STP the volume of 1 mole of gas is 22.4 lt but at NTP the volume is 24.02 lt.  you can derive this from PV=nRT
```
one year ago
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