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.
Nitromethane (CH3NO2) burns in air to produce significant amounts of heat. 2CH3NO2(l)+3/2O2(g)?2CO2(g)+3H2O(l)+N2(g)...
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), 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.
Acetylene burns in air to produce carbon dioxide and water: C2H2(g) + 5/2O2(g) → 2CO2(g) + H2O(l). Use the following thermochemical equations to obtain ΔGr0 at 25 °C for the combustion of acetylene: C2H2(g) + 3H2(g) → 2CH4(g) ΔGr0 = −310.7 kJ/mol at 25 °C CH4(g) + 2O2(g) → CO2(g) + 2H2O(l) ΔGr0 = −817.97 kJ/mol at 25 °C H2(g) + 1/2O2(g) → H2O(l). ΔGr0 = −237.18 kJ/mol at 25 °C
Ethanol, C2H5OH, burns in oxygen gas by the following reaction. C2H5OH(l) + 3O2(g) → 2CO2(g) + 3H2O(g); ΔH = -1235 kJ How many grams of ethanol would be needed to provide 293 kJ of heat?
Given the following reaction: CH3CH2OH(l)+3O2(g)→2CO2(g)+3H2O(l)CH3CH2OH(l)+3O2(g)→2CO2(g)+3H2O(l) ∆H = –2200 kJ/mol CH3CH2OHCH3CH2OH c) If you add heat to the system, which of the following will occur? Check all that apply. Select one or more: a. the reaction will shift left b. the reaction will shift right c. [CH3CH2OHCH3CH2OH] will increase d. [H2OH2O] will decrease e. [O2O2] will decrease f. [CO2CO2] will increase
PART A. Use standard enthalpies of formation to calculate ΔH∘rxn for the following reaction: C2H5OH(l)+3O2(g)→2CO2(g)+3H2O(g) Express your answer using four significant figures. PART B. Use standard enthalpies of formation to calculate ΔH∘rxn for the following reaction: CH4(g)+2O2(g)→CO2(g)+2H2O(g) Express your answer using three significant figures. PART C. Use standard enthalpies of formation to calculate ΔH∘rxn for the following reaction: C(s)+O2(g)→CO2(g) Express your answer using four significant figures. PART D. Use standard enthalpies of formation to calculate ΔH∘rxn for the following reaction:...
Acetylene gas, C2H2(g), is used in welding. C2H2(g)+52O2(g)→2CO2(g)+H2O(l) Part B How much heat is produced in burning 4 mol of C2H2 under standard conditions if both reactants and products are brought to 298 K? Express your answer using five significant figures. ΔH Δ H = kJ Part C What is the maximum amount of useful work that can be accomplished under standard conditions by this reaction when 4 mol of C2H2 is burned? Express your answer using five significant figures.
In the formation of smog, nitrogen and oxygen gas react to form nitrogen dioxide: N2(g)+2O2(g)→2NO2(g) Part A How many grams of NO2 will be produced when 2.0 L of nitrogen at 870 mmHg and 29 ∘C are completely reacted? Express your answer using two significant figures. mNO2 m N O 2 = When sensors in a car detect a collision, they cause the reaction of sodium azide, NaN3, which generates nitrogen gas to fill the air bags within 0.03 s....
Methanol (CH3OH) burns according to the equation 2CH3OH(l) + 3O2(g) → 2CO2(g) + 4H2O(l), ΔH°rxn = –1454 kJ/mol. A) How much heat, in kilojoules, is given off when 150.0 g of methanol is burned? [ Select ] B) How many grams of CO2 are produced when the amount of heat determined in part A is released? [ Select ] Molar masses: CH3OH = 32.04 g/mol O2 = 32.00 g/mol CO2 = 44.01 g/mol H2O = 18.02 g/mol