# Problem: The following table contains some standard enthalpies of formation, pandoc: Error at "source" (line 1, column 32): unexpected "{" expecting letter or new-line {Delta H^circ}_{ m f hspace{1 pt}}, at 298 m K.SubstanceFormulaΔH°f( m kJ/mol)Carbon dioxideCO2(g)-393.5Carbon monoxideCO(g)-110.5MethaneCH4(g)-74.80PropaneC3H8(g)-103.85WaterH2O(l)-285.8Water vaporH2O(g)-241.8You may want to reference (Pages 186 - 190) ^ Section 5.7 while completing this problem.Many portable gas heaters and grills use propane, C3H8(g).Using enthalpies of formation, calculate the quantity of heat produced when 16.0 g of propane is completely combusted in air under standard conditions. Assume that liquid water is forming.

###### FREE Expert Solution

We are asked to calculate the quantity of heat produced when 16.0 g of propane is completely combusted in air under standard conditions.

Balanced reaction:

C3H8(g) + 5 O2(g)→ 3 CO2(g) + 4 H2O(l)

ΔH°rxn = -2043.85 kJ/ mol C3H8

Calculate heat produced when 16.0 g of propane is completely combusted:

Molar mass C3H8(g) = 44.11 g/mol

90% (138 ratings) ###### Problem Details

The following table contains some standard enthalpies of formation, pandoc: Error at "source" (line 1, column 32): unexpected "{" expecting letter or new-line {Delta H^circ}_{ m f hspace{1 pt}}, at 298 m K.

 Substance Formula ΔH°f( m kJ/mol) Carbon dioxide CO2(g) -393.5 Carbon monoxide CO(g) -110.5 Methane CH4(g) -74.80 Propane C3H8(g) -103.85 Water H2O(l) -285.8 Water vapor H2O(g) -241.8

You may want to reference (Pages 186 - 190) ^ Section 5.7 while completing this problem.

Many portable gas heaters and grills use propane, C3H8(g).

Using enthalpies of formation, calculate the quantity of heat produced when 16.0 g of propane is completely combusted in air under standard conditions. Assume that liquid water is forming.

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Enthalpy of Formation concept. You can view video lessons to learn Enthalpy of Formation. Or if you need more Enthalpy of Formation practice, you can also practice Enthalpy of Formation practice problems.