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CBSE Class 11-science Answered

The decomposition of dinitrogen pentoxide is described by the chemical equation 2 n2o5(g) → 4 no2(g) + o2(g) if the rate of disappearance of n2o5 is equal to 1.80 mol/min at a particular moment, what is the rate of appearance of no2 at that moment?

Asked by lekhakarthikeyan | 26 Aug, 2018, 07:42: PM
Expert Answer
The space balanced space chemical space equation space is space as colon

2 straight N subscript 2 straight O subscript 5 subscript blank subscript left parenthesis straight g right parenthesis end subscript end subscript space rightwards arrow space 4 NO subscript 2 subscript blank subscript open parentheses straight g close parentheses end subscript end subscript space plus straight O subscript 2 subscript blank subscript open parentheses straight g close parentheses end subscript end subscript space


From space reaction comma

2 space moles space of space straight N subscript 2 straight O subscript 5 space gives space 4 space moles space of space NO subscript 2

1 space mole space of space straight N subscript 2 straight O subscript 5 space gives space 2 space moles space of space NO subscript 2

therefore space 1.8 space mol space straight N subscript 2 straight O subscript 5 space per space min space will space give space space space fraction numerator 1.8 cross times 2 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 space space space space space space space equals space 3.6 space mol space of space NO subscript 2 space per space min
 
The rate of appearance of NO2 is 3.6 mol/min.
Answered by Varsha | 27 Aug, 2018, 12:51: PM
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