2CO (g) + 2NO (g) ------- N 2(g) + 2CO 2(g) A. What is the volum ratio of carbon

Question

2CO(g) + 2NO(g)   -------    N2(g) + 2CO2(g) A. What is the volum ratio of carbon Monoxide to carbondioxide in the balance equation? B. If 42.7 g of CO is reacted completely at STP,what volume of N2 gas will be produced? 2CO(g) + 2NO(g)   -------    N2(g) + 2CO2(g) A. What is the volum ratio of carbon Monoxide to carbondioxide in the balance equation? B. If 42.7 g of CO is reacted completely at STP,what volume of N2 gas will be produced? A. What is the volum ratio of carbon Monoxide to carbondioxide in the balance equation? B. If 42.7 g of CO is reacted completely at STP,what volume of N2 gas will be produced?

Explanation / Answer

A) looking at the stoichiometric coefficients, one concludes that2/2 = 1, the volume ratio B) MW, CO = 28 g/mol; MW,N2 = 28 42.7 g CO *(1mol CO/28 g CO) *(1 mol N2/2 mol CO) = 0.7625 molesN2 PV = nRT V = nRT/P = 0.7625 mol *8.314 J/mol/K *273 K/(101325 Pa) = 0.01708m3 V = 17.08 L

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