For which one of the following reactions is the value of AH°rxn equal to AH°f for the product?Hint: For AH°f standard enthalpy of formation, it is associated with formation of 1 mol of thecompound from constituent elements in their standard states (most stable elemental forms).2H2 (g) + O2 (g) -→ 2H2O (g)none of the aboveO 2H2 (g) + O2 (g) → 2H20 (1)O N2 (g) + O2 (g)→ 2NO (g)O H20 (1) + 1/202 (g) → H2O2 (1)

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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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Complete combustion of 1 mol of acetone 1C3H6O2 liberates1790 kJ:C3H6O(l) + 4 O2(g) -----> 3 CO2(g) + 3 H2O(l)ΔH° = -1790 kJUsing this information together with the standard enthalpiesof formation of O2(g), CO2(g), and H2O(l) fromAppendix C, calculate the standard enthalpy of formation ofacetone.
The oxidation of glucose, C6H12O6(s), is described by the following thermochemical equation:C6H12O6(s) + 6 O2(g) → 6 CO2(g) + 6 H2O(l) ΔH = -2772 kJHow much heat, in kilojoules, can be produced by the oxidation of 3.56 g of fuel C6H12O6?Molar mass of C6H12O6 = 180.156 g/mol
Use the standard reaction enthalpies given below to determine AH° rxn 4 SO3(g) →4 S(s) + 602(g) AH°rxn = ? Given: SO2(g) →S(s) + O2(8) 25O2(g) + O2(g) →2SO3(g) 1583 kJ -494.6 kJ -791.4 kJ -293.0 kJ -692.4 kJ AH rxn = +296.8 kJ ΔΗ°, rxn = -197.8 kJ for the following reaction
Calculate ΔΗ°rxn for the combustion of carbon monoxide, producing CO2 in KJ. 2CO(g)+O2(g)-->2CO2(g)
10. Nitrogen oxides undergo many interesting reactions in the environment and in industry. Given the following information, caleculate AlI for the overall equation 2NO, (g) + %0, (g) – N.O; (s): N2O5(s) → 2NO(g) + O2(8) AH NO(g) + 02(g) → NO2(g) AH = -57.1 kJ
Consider this reaction: C6H12O6 + 602 à 6CO2 + 6H₂O. What is the standard enthalpy AH°rxn given the standard molar enthalpies of the substances below? Substance C6H12O6 02 CO₂ H₂O AHᵒf (kJ/mol) -1274.4 0 -393.45 -241.8
An ideal gas sealed in a rigid 3.13-L cylinder, initially at pressure Pi=12.70 atm, is cooled until the pressure in the cylinder is Pf=1.18 atm. What is the enthalpy change for this process?What is the change in internal energy for this process?
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In a coffee cup calorimeter, 10.0mL of 1.00M AgNo3 and 10.0mLof 1.00M NaCl are mixed and the following reaction occurs (assume reaction goes to completion) Ag+ (aq) + Cl-(aq) ----> AgCl(s) The 2 solutions are intitially at 25.0C and the final temperature is 36.2C. Assuming density of the solution is 1.00g/mL and the heat capactity of the solution is 4.18J/K/g. Calculate q for the reaction in KJ
4. What mass of propane must be burned to supply 700. kJ as heat? The thermochemical equation for the combustion of propane is: C3H8(g) + 5 O2(g) → 3 CO2(g) + 4H₂O(1) AH°-2220. kJ
The reaction between hydrogen and oxygen to yield water vapor has AH" = -1843 2H₂(g) + O₂(g) 2H₂O(g)AH <=-484kJ Part A What is the enthalpy change in kilojoules when 0.70 mol of H₂ reacts with 0.35 mol of O, to produce 0.70 mol of H₂ at constant pressure of 1.00 atm? Express your answer as a whole number. AH = Submit Part B W= Submit 1957 ΑΣΦ How much PV work is done in kilojoules for this reaction at constant pressure of 1.00 atm if the volume change is-9-2 L? Express your answer using two significant figures. 100 ΑΣΦΑ Part C Request Answer Request Answer kJ What is the value of AE for this reaction in kilojoules?

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