At 77°C, 2.00 mol of notrosyl bromide, NOBr, placed in a 1.00-L flask dissociates to the extent of (9.50x10^0)%; that is, for each mole of NOBr before reaction, (1.000-((9.50x10^0)/100)) mol NOBr remains after dissociation. Calculate the value f Kc for the dissociation reaction   2NOBr(g) ↔ 2NO(g) + Br2(g) Express your answer to three significant figures.

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Q: None

A:

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A:

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Environmental pollution occurs due to some unwanted alteration in the surroundings which results in unfavorable effects on all organisms of that surrounding.