The combustion of propane, C3H3, occurs via the reactionC3 Hs (g) + 502 (g)→3CO2(g) + 4H2O(g)with heat of formation values given by the following table:ΔΗ(kJ/mol)SubstanceC3 Hs (g)-104.7CO2 (g)-393.5H20(g)-241.8Calculate the enthalpy for the combustion of 1 mole of propane.Express your answer to four significant figures and include the appropriate units. The standard heat of formation, AH: , is defined as theenthalpy change for the formation of one mole ofsubstance from its constituent elements in theirConstants I Periodic Tablestandard states. Thus, elements in their standard stateshave ΔΗ0. Heat of formation values can be usedPart Ato calculate the enthalpy change of any reaction.Consider, for example, the reactionFor which of the following reactions is AHn equal toAH: of the product(s)?You do not need to look up anyvalues to answer this question.2NO(g) + O2 (g) = 2NO2 (g)with heat of formation values given by the followingCheck all that apply.table:ΔΗ| (kJ/mol)Substance2Na(s) + F2 (g)–→2NAF(s)NO(g)O H2 (g) + O2(g)→H2O(g)90.2O2(g)O H,O2 (g)→O2(g) + H2O(g)NO2 (g)33.2O Na(s) + F2(g)→NAF(s)Then the standard heat of reaction for the overallreaction isO Na(s) + F2(1)→NAF(s)AHm= AH¡(products)– AH; (reactants)[2(90.2) + 0]2(33.2)O 2H2 (g) + O2 (g)→2H2O(g)-114 k.J

To solve this problem we use the enthalpy of formation of given species in the reaction .

The combustion of propane, C3H3, occurs via the reaction C3 Hs (g) + 502 (g)→3CO2(g) + 4H2O(g) with heat of formation values given by the following table: ΔΗ (kJ/mol) Substance C3 Hs (g) -104.7 CO2 (g) -393.5 H20(g) -241.8 Calculate the enthalpy for the combustion of 1 mole of propane. Express your answer to four significant figures and include the appropriate units.

The combustion of propane, C3H3, occurs via the reaction C3 Hs (g) + 502 (g)→3CO2(g) + 4H2O(g) with heat of formation values given by the following table: ΔΗ (kJ/mol) Substance C3 Hs (g) -104.7 CO2 (g) -393.5 H20(g) -241.8 Calculate the enthalpy for the combustion of 1 mole of propane. Express your answer to four significant figures and include the appropriate units.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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