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a gaseous reaction A+B=C show oa decrease in pressure from 200mm to160mm 1n 10 min. . The rate of disappearance of A is.......

a gaseous reaction A+B=C show oa decrease in pressure from 200mm to160mm 1n 10 min. . The rate of disappearance of A is.......

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Grade:12th pass

1 Answers

Vikas TU
14149 Points
4 years ago
        A + B – > C
t=0   P     P        0
t=10 P-x  P-x      x
Now given conditions,
P+P = 200
2P = 200
P = 100 mm
and
P-x + P-x + x = 160
2P – x = 160
x = 40  mm
dA/dt = 60/10 = 6 mm/minute.

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