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NEET Class neet Answered

Please answer the following question with explanation
question image
Asked by deepakudgiri29 | 24 Feb, 2019, 17:31: PM
answered-by-expert Expert Answer
The dissociation reaction is;
 
space space space space space space space space space space space space space space space space space space space straight N subscript 2 straight O subscript 4 subscript open parentheses straight g close parentheses end subscript end subscript space space space space rightwards harpoon over leftwards harpoon from blank to blank of space space space 2 NO subscript 2 subscript open parentheses straight g close parentheses end subscript end subscript
Initial colon space space space space space space space space space 1 space mol space space space space space space space space space space space space space space space space space space space space 0 space space space space space space space space
At space equm colon space space space space open parentheses 1 minus 0.2 close parentheses space space space space space space space space space space space space space space 0.4 space mol

Total space no. space of space moles space at space equilibrium space equals space 1.2 space mol

Initial space volume space of space the space system comma space straight V space equals space nRT over straight P

space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals space fraction numerator 1 cross times 0.082 cross times 300 over denominator 1 end fraction

space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals space 24.6 space straight L

Volume space of space the space system space at space equilibrium space equals space 1.2 cross times 24.6 space

space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals space 29.52 space straight L

Mass space of space the space gas space at space equilibrium space space equals space 0.8 cross times 92 plus open parentheses 0.4 cross times 46 close parentheses space space
space
space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals space 92 space straight g

Density space of space gas space space equals space Mass over Volume

space space space space space space space space space space space space space space space space space space space space space space space equals space fraction numerator 92 over denominator 29.52 end fraction

space space space space space space space space space space space space space space space space space space space space space space space equals space 3.12 space straight g divided by straight L
 
The density of the gas is 3.12 g/L
Answered by Varsha | 25 Feb, 2019, 10:48: AM
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