Nitromethane (CH3NO2), sometimes used as a fuel in drag racers, burns according to the following equation.
How much heat is released by burning 160.0 gg of
nitromethane?
4CH3NO2(l)+7O2(g)⟶4CO2(g)+6H2O(g)+4NO2(g)ΔH∘=−2441.6kJ4CH3NO2(l)+7O2(g)⟶4CO2(g)+6H2O(g)+4NO2(g)ΔH∘=−2441.6kJ
Express your answer to four significant figures and include the appropriate units.
The heat released upon combustion of nitromethane is 2441.6kJ
4 moles of nitromethane ( 4*61 = 244g ) produce 2441.6kJ
244g nitromethane produce 2441.6 kJ
160g nitromethane will produce
The heat produced will be equal to 1601.0492kJ
Nitromethane (CH3NO2), sometimes used as a fuel in drag racers, burns according to the following equation....
Nitromethane (CH3NO2) burns in air to produce significant amounts of heat. 4 CH3NO2 (l) + 3 O2 (g) → 4 CO2 (g) + 6 H2O (l) + 2 N2 (g) , ΔHorxn = -2836 kJ If 1,366 kJ of heat are produced from the burning of nitromethane, how many grams of nitromethane were burned?
Nitromethane (CH3NO2) burns in air to produce significant amounts of heat. 4 CH3NO2 (l) + 3 O2 (g) → 4 CO2 (g) + 6 H2O (l) + 2 N2 (g) , ΔHorxn = -2836 kJ If 1,327 kJ of heat are produced from the burning of nitromethane, how many grams of nitromethane were burned? Enter your numerical answer in units of grams.
Nitromethane (CH3NO2) burns in air to produce significant amounts of heat. 2CH3NO2(l)+3/2O2(g)?2CO2(g)+3H2O(l)+N2(g) ?Horxn = -1418 kJ How much heat is produced by the complete reaction of 5.81kg of nitromethane? Express your answer to three significant figures and include the appropriate units.
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The propane fuel (C3H8) used in gas barbeques burns according to the following thermochemical equation: C3H8(g)+5O2(g)?3CO2(g)+4H2O(g) If a pork roast must absorb 1700kJ to fully cook, and if only 14% of the heat produced by the barbeque is actually absorbed by the roast, what mass of CO2 is emitted into the atmosphere during the grilling of the pork roast? Express your answer using two significant figures.
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The propane fuel (C3H8) used in gas barbeques burns according to this thermochemical equation. C3H8(g)+5O2(g)→3CO2(g)+4H2O(g)ΔH∘rxn=−2044kJ If a pork roast must absorb 1.7×103 kJ to fully cook, and if only 15 % of the heat produced by the barbeque is actually absorbed by the roast, what mass of CO2 is emitted into the atmosphere during the grilling of the pork roast?
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