Gaseous propene reacts according to the balanced equation. If atotal of 2240 kJ

Question

Gaseous propene reacts according to the balanced equation. If atotal of 2240 kJ of heat is generated in the reaction as written,how many grams of CO2 are produced?

2 C3H6(g) + 9O2(g) 6 CO2(g) + 6H2O(l) .

the tolerance is +/-2%

Gaseous propene reacts according to the balanced equation. If atotal of 2240 kJ of heat is generated in the reaction as written,how many grams of CO2 are produced?

2 C3H6(g) + 9O2(g) 6 CO2(g) + 6H2O(l) .

Enthalpy (kJ) H = -4117.0 Molar Mass C3H6 42.081 O2 31.999 CO2 44.001 H2O 18.015

Explanation / Answer

           2 C3H6(g) + 9O2(g) 6 CO2(g) + 6H2O(l) .          The enthalpyof the reaction H = -4117.0 kJ                 molar mass of CO2 = 44.001 g /mol                   6 (44.001) = 264.006 g              264.006 g of CO2 is produced when 4117.0 kJ heat is liberated.           2240 kJ of heat produce (264.004 *2240 /4117.0 ) =143.64 g of CO2        

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