please. partD Part AOzone, O3, is destroyed when ClO levels are high. C10 is likely formed from the decomposition ofchlorofluorocarbons (CFCS) in sunlight.Standard enthalpies of formation for selected substances are given in the table below.Calculate the standard enthalpy change of the reactionClO(9) + 03 (9)→C1O2(9) + O2 (9)Af H°| (kJ mol-1)SubstanceExpress your answer in kJ mol- to four significant figures.• View Available Hint(s)Ci0(g)101.0ClO2 (9)102.0A,H° = -141.3 kJ mol¬1O(g)247.5O2 (g)03 (g)SubmitPrevious Answers142.3v CorrectPart BCalculate the standard enthalpy change of the reactionClO2 (9) + O(9)→CIO(g) + O2(9)Express your answer in kJ mol-1 to four significant figures.• View Available Hint(s)A;H° = -248.5 kJ mol¬!SubmitPrevious Answersv CorrectPart CAdd the following reactions together:ClO2 (g) + O2(9)C10(g) + O2(g)CiO(9) + O3 (9)ClO2 (g) +O(g) →Identify which species cancel and which do not.Drag each item to the appropriate bin.Reset Help000CancelsDoes not cancelClO2Cio02O3 • Part DWhat is the enthalpy for the overall reaction?Express your answer in kJ mol-l to four significant figures.• View Available Hint(s)ΑΣφ|] ?A;H° = 37.10kJ mol-1SubmitPrevious AnswersX Incorrect; Try Again; One attempt remaining

Ozone, O3, is destroyed when CIO levels are high. CIO is likely formed from the decomposition of chlorofluorocarbons (CFCS) in sunlight. Standard enthalpies of formation for selected substances are given in the table below. A H° (kJ mol-) Substance CIO(9) 101.0 CIO:(9) 102.0 O(g) 247.5 0,(9) Os(9) 142.3

Ozone, O3, is destroyed when CIO levels are high. CIO is likely formed from the decomposition of chlorofluorocarbons (CFCS) in sunlight. Standard enthalpies of formation for selected substances are given in the table below. A H° (kJ mol-) Substance CIO(9) 101.0 CIO:(9) 102.0 O(g) 247.5 0,(9) Os(9) 142.3

Chemistry: An Atoms First Approach

2nd Edition

ISBN:9781305079243

Author:Steven S. Zumdahl, Susan A. Zumdahl

Publisher:Steven S. Zumdahl, Susan A. Zumdahl

Chapter7: Chemical Energy

Section: Chapter Questions

Problem 15Q: The enthalpy change for the reaction CH4(g)+2O2(g)CO2(g)+2H2O(l) is 891 kJ for the reaction as...

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sample of natural gas is analyzed and found to be88.4% methane (CH4) and 11.6% ethane (C2H6) bymass. The standard enthalpy of combustion of methaneto gaseous carbon dioxide (CO2) and liquid water (H2O) is -891 kJ/mol. Write the equation for the combustionof gaseous ethane to carbon dioxide and water.Calculate the standard enthalpy of combustion of ethaneusing standard enthalpies of formation from Table R-11on page 975. Using that result and the standard enthalpyof combustion of methane in Table 15.3, calculate theenergy released by the combustion of 1 kg of natural gas.
In a coffee-cup calorimeter, 1.60 g NH4NO3 is mixed with 75.0 g water at an initial temperature of 25.00C. After dissolution of the salt, the final temperature of the calorimeter contents is 23.34C. Assuming the solution has a heat capacity of 4.18 J/C g and assuming no heat loss to the calorimeter, calculate the enthalpy change for the dissolution of NH4NO3 in units of kJ/mol.
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In a coffee-cup calorimeter, 100.0 mL of 1.0 M NaOH and 100.0 mL of 1.0 M HCI are mixed. Both solutions were originally at 24.6C. After the reaction, the final temperature is 31.3C. Assuming that all the solutions have a density of 1.0 g/cm3 and a specific heat capacity of 4.18 J/Cg, calculate the enthalpy change for the neutralization of HCl by NaOH. Assume that no heat is lost to the surroundings or to the calorimeter.
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