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What is AHan for the following chemical reaction? H20(1) + CC4 (1)-→COCl2(g) + 2HC1(g) You can use the fllowing table of standard heats of formation (AH) to calculate the enthalpy of the given reaction. Standard Heat of Formation (kJ/mol) Standard Heat of Element/ Compound Element/ Compound Formation (kJ/mol) H(g) 218 N(g) 473 H2(g) O2(g) 249 CL (1) H2O(1) 139.5 O(g) 285.8 HCI(g) -92.30kJ COC (g) -218.8kJ C(g) 71 C(s) HNO:(aq) 206.6 Express the standard enthalpy of reaction to three significant figures and include the appropriate units. • View Available Hint(s) HA Value Units Submit Previous Answers

What is AHan for the following chemical reaction? H20(1) + CC4 (1)-→COCl2(g) + 2HC1(g) You can use the fllowing table of standard heats of formation (AH) to calculate the enthalpy of the given reaction. Standard Heat of Formation (kJ/mol) Standard Heat of Element/ Compound Element/ Compound Formation (kJ/mol) H(g) 218 N(g) 473 H2(g) O2(g) 249 CL (1) H2O(1) 139.5 O(g) 285.8 HCI(g) -92.30kJ COC (g) -218.8kJ C(g) 71 C(s) HNO:(aq) 206.6 Express the standard enthalpy of reaction to three significant figures and include the appropriate units. • View Available Hint(s) HA Value Units Submit Previous Answers

Chemistry: Matter and Change
Chemistry: Matter and Change
1st Edition
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Chapter15: Energy And Chemical Change
Section: Chapter Questions
Problem 112A: sample of natural gas is analyzed and found to be88.4% methane (CH4) and 11.6% ethane (C2H6) bymass....
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eme Standard Enthalpy of Reaction 11 of 30 <. Learning Goal: I Review | Constants | Periodic Table । ५ To understand how standard enthalpy of reaction is n eText What is AHn for the following chemical reaction? related to the standard heats of formation of the reactants and products. H2O(1) + CCL (1)→COC2 (g) + 2HCI(g) Area The standard enthalpy of reaction is the'enthalpy change that occurs in a reaction when all the reactants and products are in their standard states. The symbol for the standard enthalpy of reaction is AHn, where the subscript "rxn" stands for "reaction." The standard enthalpy of a reaction is calculated from the standard heats of formation ( AH?) (subscript "f" for formation) of its reactants You can use the following table of standard heats of formation (AH:) to calculate the enthalpy of the ument Sharing given reaction. Standard Heat of Standard Heat of T Settings Element/ Compound Formation (kJ/mol) Element/ Compound Formation (kJ/mol) H(g) 218 N(g) 473 urse Tools O2(g) and products. Therefore, the standard enthalpy AHn of any reaction can be mathematically determined, as long as the standard heats of formation (AH;)of its reactants and products are H2(g) CCL4 (1) O(g) 139.5 249 H2O(1) -285.8 HCI(g) -92.30kJ known. C(g) 71 COCI2 (g) - 218.8kJ C(s) HNO3(aq) -206.6 Express the standard enthalpy of reaction to three significant figures and include the appropriate units. • View Available Hint(s) ? HA Value Units Submit Previous Answers Next > Provide Feedback 12:41 PM 22 87°F Sunny 6/20/2021 T 90 P Type here to search Del End F10 PgUp F11 PgDn F12 Ins PrtScn F8 Home F9 F7 F6 F5 F4 F2 F3 4 5 6 6, 88
Transcribed Image Text:eme Standard Enthalpy of Reaction 11 of 30 <. Learning Goal: I Review | Constants | Periodic Table । ५ To understand how standard enthalpy of reaction is n eText What is AHn for the following chemical reaction? related to the standard heats of formation of the reactants and products. H2O(1) + CCL (1)→COC2 (g) + 2HCI(g) Area The standard enthalpy of reaction is the'enthalpy change that occurs in a reaction when all the reactants and products are in their standard states. The symbol for the standard enthalpy of reaction is AHn, where the subscript "rxn" stands for "reaction." The standard enthalpy of a reaction is calculated from the standard heats of formation ( AH?) (subscript "f" for formation) of its reactants You can use the following table of standard heats of formation (AH:) to calculate the enthalpy of the ument Sharing given reaction. Standard Heat of Standard Heat of T Settings Element/ Compound Formation (kJ/mol) Element/ Compound Formation (kJ/mol) H(g) 218 N(g) 473 urse Tools O2(g) and products. Therefore, the standard enthalpy AHn of any reaction can be mathematically determined, as long as the standard heats of formation (AH;)of its reactants and products are H2(g) CCL4 (1) O(g) 139.5 249 H2O(1) -285.8 HCI(g) -92.30kJ known. C(g) 71 COCI2 (g) - 218.8kJ C(s) HNO3(aq) -206.6 Express the standard enthalpy of reaction to three significant figures and include the appropriate units. • View Available Hint(s) ? HA Value Units Submit Previous Answers Next > Provide Feedback 12:41 PM 22 87°F Sunny 6/20/2021 T 90 P Type here to search Del End F10 PgUp F11 PgDn F12 Ins PrtScn F8 Home F9 F7 F6 F5 F4 F2 F3 4 5 6 6, 88
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