4. Given the thermochemical equations C3H6(g) + H₂(g) → C3H8(g) ΔΗ® = -124 kJ ΔΗΘ = -2220 kJ C3H3(g) +502(g) → 3CO₂(g) + 4H₂O(1) Where C3H6 denotes propene (CH₂=CHCH3) and C3H8 denotes propane (CH3CH₂CH3). The combustion of propene is represented as: C3H6(g) + O2(g) → 3CO2(g) + 3H₂O(l) a) Calculate the standard enthalpy of combustion of propene using information from the thermodynamic data table. b) is the reaction endothermic or exothermic?

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4. Given the thermochemical equations
C3H6(g) + H₂(g) → C3H8(g)
C3H8(g) +502(g) → 3CO₂(g) +4H₂O(1)
ΔΗΰ = -124 kJ
ΔΗΰ = -2220 kJ
Where C3H6 denotes propene (CH₂=CHCH3) and C3H8 denotes propane (CH3CH₂CH3). The
combustion of propene is represented as:
C3H6(g) + O2(g) →→ 3CO2(g) + 3H₂O(l)
a) Calculate the standard enthalpy of combustion of propene using information from
the thermodynamic data table.
b) is the reaction endothermic or exothermic?
Transcribed Image Text:4. Given the thermochemical equations C3H6(g) + H₂(g) → C3H8(g) C3H8(g) +502(g) → 3CO₂(g) +4H₂O(1) ΔΗΰ = -124 kJ ΔΗΰ = -2220 kJ Where C3H6 denotes propene (CH₂=CHCH3) and C3H8 denotes propane (CH3CH₂CH3). The combustion of propene is represented as: C3H6(g) + O2(g) →→ 3CO2(g) + 3H₂O(l) a) Calculate the standard enthalpy of combustion of propene using information from the thermodynamic data table. b) is the reaction endothermic or exothermic?
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