Multiple ChoiceConsider the following equation:Determine the bond enthalpy value for the F–S bond.1536views4comments
Multiple ChoiceUse the bond energies to estimate the enthalpy of reaction for the combustion of 5 moles of acetylene:6983views2rank5comments
Multiple ChoiceCalculate the enthalpy of the following reaction based on average bond enthalpies. 501views
Open QuestionEthanol is a possible fuel. use average bond energies to calculate δHrxn for the combustion of ethanol. CH3CH2OH(g) + 3 O2(g) → 2 CO2(g) + 3 H2O(g)310views
Open QuestionCalculate the average molar bond enthalpy of the carbon–hydrogen bond in a CH4 molecule.371views
Open QuestionUse average bond energies to calculate δHrxn for the following hydrogenation reaction: H2C=CH2(g) + H2(g) → H3C−CH3(g)382views
Open QuestionCalculate δhrxn for the combustion of octane (C8H18) by using average bond energies.318views
Open QuestionUse average bond enthalpies to estimate the enthalpy δhrxn of the following reaction: 2 SF4(g) + O2(g) → 2 OSF4(g)456views
Open QuestionEthanol is a possible fuel. use average bond energies to calculate δHrxn for the combustion of ethanol.404views
Open QuestionEthanol is a possible fuel. Use average bond energies to calculate δHrxn for the combustion of ethanol. CH3CH2OH(g) + 3 O2(g) → 2 CO2(g) + 3 H2O(g)324views
Open QuestionHydrogen, a potential future fuel, can be produced from carbon (from coal) and steam by this reaction: C(s) + 2 H2O(g) -> H2(g) + CO2(g). Use average bond energies to calculate ΔHrxn for the reaction.
Open QuestionIs this question formulated correctly? If not, please fix it and return the output as a JSON of the form: {'question': 'question text'}. Here is the question: Calculate ΔH° for the reaction H2(g) + Br2(g) → 2 HBr(g) using bond energy values. The ΔH°f of HBr(g) is not equal to one-half of the value calculated. Account for the difference.
Multiple ChoiceGiven that ΔH° = -311 kJ for the hydrogenation of acetylene, C₂H₂: H-C≡C-H(g) + 2 H₂(g) → CH₃-CH₃(g) and the following bond dissociation energies: H-H = 436 kJ/mol, C-H = 413 kJ/mol, and C-C = 348 kJ/mol, estimate a value for the C≡C triple bond dissociation energy?11views
Multiple ChoiceUse bond energies to estimate the enthalpy change for the formation of HBr(g) from H2(g) and Br2(g). Given: BE(H-H) = 436 kJ/mol, BE(Br-Br) = 192 kJ/mol, BE(H-Br) = 366 kJ/mol.2views
Multiple ChoiceUse the bond energies in Chemistry 2e of your textbook to determine the approximate enthalpy change for the following reaction: H2(g) + 1/2 O2(g) → H2O(g). What is the approximate enthalpy change (ΔH) for this reaction?2views
Multiple ChoiceGiven the bond energies: Br-Br = 192 kJ/mol, C≡C = 839 kJ/mol, C-Br = 276 kJ/mol, estimate ΔH°rxn for the reaction 2 Br2(l) + C2H2(g) → C2H2Br4(l). What is the ΔH°rxn?1views
Multiple ChoiceUse the bond energies provided to estimate ΔH°_rxn for the reaction: 2 Br2(l) + C2H2(g) → C2H2Br4(l). What is the estimated ΔH°_rxn?9views
Multiple ChoiceUsing the bond energies provided, estimate the standard enthalpy change (ΔH°rxn) for the reaction: XeF2 + 2 F2 → XeF6.10views
Multiple ChoiceUsing the bond energies provided, estimate the ΔH°rxn for the reaction: XeF2 + 2 F2 → XeF6.15views
Multiple ChoiceUse the bond energies to determine the approximate enthalpy change for the following reaction: H2(g) + 1/2 O2(g) → H2O(g). Given the bond energies: H-H = 436 kJ/mol, O=O = 498 kJ/mol, and O-H = 463 kJ/mol.1views
Multiple ChoiceGiven that the enthalpy change (ΔH) for the formation of H2O(g) from its elements is -926.29 kJ/mol, what is the approximate bond energy of the O-H bond in water?11views