H2(g) + 1/2 O2 ............> H2O DH0 = - 285.8 KJ ....................1
C(S) + O2 .................> CO2 DH0 = - 393.5 KJ.......................2
C3H8 + 5O2 .............> 3CO2 + 4H2O DH0 = -2219.9 KJ..........................3
Do 3*eq.2 + 4*eq.1 - eq.3
4H2(g) + 2O2 ............> 4H2O DH0 = -1143.2 Kj
3C(S) +3O2 ...............> 3CO2 DH0 = - 1180.5 Kj
3CO2 + 4H2O .............> C3H8 + 5O2 DH0 = 2219.9 KJ
.....................................................................................................
3C(S) + 4H2 ..............>C3H8(g) DH = (-1143.2 - 1180 + 2219.9) = -103.3 KJ
Consider the following balanced reaction: 3C(s) +4H_2(g) rightarrow C3H8(g) Calculate given the following information. SHOW YOUR...
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
Use the following information to calculate the heat of formation of propane C3H8. 3 C (S-Graphite) + 4 H2 (g) —› C3H8 (g) 1. C (S-Graphite) + O2 (g) —› CO2 (g) ΔH = - 393.5 kJ 2. H2 (g) + ½ O2 (g) —› H2O (l) ΔH = - 285.8 kJ 3. C3H4 (g) + 4 O2 (g) —› 3 CO2 (g) + 2 H2O (l) ΔH = - 1937 kJ 4. C3H6 (g) + 9/2 O2 (g) —›...
C(s) + O2(g) + CO2(g) AH° = -393.5 kJ (5 pts) Given the following enthalpy values for reactions at 25°C, what is AH at 25°C for the following reaction: C3H3(g) + 502(g) + 4H2O(g) + 3CO2(g) AH = -2043 kJ 3C(s) + 4 H2(g) → C3H8 (g) 2H2(g) + O2(g) + 2H2O(g) AH° = -483.6 kJ
Calculate the enthalpy of reaction for the following reaction: 2Fe2O3(s) + 3C(s) → 4Fe(s) + 3CO2(g) ΔHfo(Fe2O3(s)) = -824.2 kJ/mol ΔHfo(C(s)) = ? ΔHfo(Fe(s)) = ? ΔHfo(CO2(g)) = -393.5 kJ/mol
Calculate the standard enthalpy change for the following reaction 2Al_2O_3(s) + 3C(s) rightarrow 4Al + 3CO_2(g) given the following: delta H CO_2(g) = -393.5 kJ/mol delta H C(s) = 0 kJ/mol delta H Al = 10.79 kJ/mol delta H Al_2O_3(s) = -1675.7 kJ/mol
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.
Consider the following reaction: Ca(s) + 2 H_2O(l) rightarrow Ca(OH)_2(s) + H_2(g) Calculate the heat of reaction based on the following information: 2H_2(g) + O_2(g) rightarrow 2 H_2O(l) DeltaH = -572 kJ/mol CaO(s) + H_2O(l) rightarrow Ca(OH)_2(s) DeltaH = -64 kJ/mol CaCO_3(s) rightarrow CaO(s) + CO_2(g) DeltaH = +178.1 kJ/mol 2 Ca (s) + O_2(g) rightarrow 2 CaO(s) DeltaH = -1270 kJ/mol 13. Acetylene is used in blow torches, and bums according to the following equation: 2 C_2H_2(g) + 5...
Given the following heat of formation values, calculate the heat of reaction for the following: C3H8(g) + O2(g) CO2(g) + H2O(1). AfH values in kJ/mol: C3H8(g): -103.8, O2(g): 0, CO2(g): -393.5, H2O(l): -285.8. 3.613 x 102 kJ/mol -2.220 103 kJ/mol 1.413* 102 kJ/mol -5.755 x 102 kJ/mol If a lighter contains 4.0 mL of liquid butane (density of butane = 0.8 g/cm3), how much heat can we get out of it, from the combustion of butane? 2 C4H 10(g) +...
Find ΔHrxn for the following reaction: 3C(s,graphite)+2O3(g)→3CO2(g) Use the following reactions with known ΔH values: C(s,graphite)+O2(g)3O2(g)→→CO2(g)2O3(g)ΔH=−393.5 kJΔH=+285.4 kJ Express the energy to one decimal place and include the appropriate units.
Please show all steps: Calculate the enthalpy for this reaction: Given the following thermochemical equations: c:H2(g) + (5/2)?2(g) > 2CO2(g) + H20(1) C(s) +02(g) -> CO2(g) ??? =-1299.5 kJ ??? -393.5 kJ ??? 285.8 kJ -> H2