Reaction 1: C3H8(g)+5O2(g)→3CO2(g)+4H2O(g), ΔH1=−2043 kJ
Reaction 2: 4C3H8(g)+20O2(g)→12CO2(g)+16H2O(g), ΔH2=?
Express your answer to four significant figures and include the appropriate units.
C3H8(g)+5O2(g)→3CO2(g)+4H2O(g), ΔH1=−2043 kJ
multiply above equation with 4
4C3H8(g)+20O2(g)→12CO2(g)+16H2O(g), ΔH2= 4x−2043 kJ
ΔH2 = -8172 KJ
Reaction 1: C3H8(g)+5O2(g)→3CO2(g)+4H2O(g), ΔH1=−2043 kJ Reaction 2: 4C3H8(g)+20O2(g)→12CO2(g)+16H2O(g), ΔH2=? Express your answer to four significant figures...
Propane (C3H8)burns according to the following balanced equation: C3H8(g)+5O2(g)→3CO2(g)+4H2O(g) Calculate ΔH∘rxnΔ for this reaction using standard enthalpies of formation. (The standard enthalpy of formation of gaseous propane is -103.9 kJ/molkJ/mol.) Express the enthalpy in kilojoules to four significant figures.
Part A A+B→2C,ΔH1 1/2A+1/2B→C,ΔH2=? Express your answer in terms of ΔH1. ΔH2 = SubmitMy AnswersGive Up Part B A+1/2B→C,ΔH1 2C→2A+B,ΔH2=? Express your answer in terms of ΔH1. ΔH2 = SubmitMy AnswersGive Up Part C A→2B+2C,ΔH1 2A→4B+4C,ΔH2=? Express your answer in terms of ΔH1. ΔH2 = SubmitMy AnswersGive Up Part D Calculate ΔHrxn for the reaction: Fe2O3(s)+3CO(g)→2Fe(s)+3CO2(g) given these reactions and their ΔH′s: 2Fe(s)+32O2(g)→Fe2O3(s) ΔH=−824.2kJ CO(g)+12O2(g)→CO2(g) ΔH=−282.7kJ ΔHrxn = kJ SubmitMy AnswersGive Up Part E Calculate ΔHrxn for the reaction CaO(s)+CO2(g)→CaCO3(s)...
Click the [DeltaH is an Extensive Property] button within the activity, and analyze the relationship between the two reactions that are displayed. The reaction that was on the screen when you started and its derivative demonstrate that the change in enthalpy for a reaction, ΔH, is an extensive property. Using this property, calculate the change in enthalpy for Reaction 2. Reaction 1: C3H8(g)+5O2(g)→3CO2(g)+4H2O(g), ΔH1=−2043 kJ Reaction 2: 4C3H8(g)+20O2(g)→12CO2(g)+16H2O(g), ΔH2=? N2(g)+O2(g)→2NO(g)ΔH=180.5 kJ 12N2(g) +12O2(g) →NO(g)ΔH=90.25kJ Scaling the molar quantities by ½...
The combustion of propane, C3H8, occurs via the reaction C3H8(g)+5O2(g)→3CO2(g)+4H2O(g) with heat of formation values given by the following table: Substance ΔH∘f (kJ/mol) C3H8 (g)= -104.7 CO2(g)= −393.5 H2O(g)= −241.8 Calculate the enthalpy for the combustion of 1 mole of propane.
calculate the enthalpy of the combustion of propane for your barbeque C3H8 + 5O2 -> 3CO2 + 4H2O propane -105 kJ/mol CO2 -394 kJ/mol Water -286 kJ/mol Ooxygen. 0
Propane (C3H8) burns in oxygen to produce carbon dioxide and water via the following reaction: C3H8(g)+5O2(g)→3CO2(g)+4H2O(g) Calculate the mass of CO2 that can be produced if the reaction of 49.9 g of propane and sufficient oxygen has a 60.0 % yield.
GIVEN INFO LP gas burns according to the following exothermic reaction: C3H8(g)+5O2(g)→3CO2(g)+4H2O(g) ΔH∘rxn= −2044kJ What mass of LP gas is necessary to heat 1.4 L of water from room temperature (25.0 C) to boiling (100.0 C)? Assume that during heating, 16% of the heat emitted by the LP gas combustion goes to heat the water. The rest is lost as heat to the surroundings. Express your answer using two significant figures. FINAL ANWSER SHOULD BE IN GRAMS ?
Please help? Calculate deltaHr for the reaction: C3H8(g) + 5O2(g)----->3CO2(g) + 4H2O(l) Given: 3C(s) + 4H2(g)----->C3H8(g) deltaH -24.8 kcal H2(g) + 1/2 O2(g)----->H2O(l) deltaH -68.3kcal C(s) + O2(g)-------> CO2(g) deltaH -94.0 kcal
Click the DeltaH is an Extensive Property button within the activity, and analyze the relationship between the two reactions that are displayed. The reaction that was on the screen when you started and its derivative demonstrate that the change in enthalpy for a reaction, ΔH, is an extensive property. Using this property, calculate the change in enthalpy for Reaction 2. Reaction 1: C3H8(g)+5O2(g)→3CO2(g)+4H2O(g), ΔH1=−2043 kJ Reaction 2: 5C3H8(g)+25O2(g)→15CO2(g)+20H2O(g), ΔH2=? Express your answer to four significant figures and include the appropriate...
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.