A scientist measures the standard enthalpy change for the following reaction to be -368.6 kj: P4O10()+6H₂O(1)→ 4H₂PO4 (aq) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of H₂O(l) is [ Species AH (kJ/mol) H₂PO4(ag) -1288.0 P&010 (8) -2984.0 k/mol.
A scientist measures the standard enthalpy change for the following reaction to be -368.6 kj: P4O10()+6H₂O(1)→ 4H₂PO4 (aq) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of H₂O(l) is [ Species AH (kJ/mol) H₂PO4(ag) -1288.0 P&010 (8) -2984.0 k/mol.
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter5: Principles Of Chemical Reactivity: Energy And Chemical Reactions
Section5.7: Enthalpy Calculations
Problem 5.10CYU: Calculate the standard enthalpy of combustion for benzene, C6H6. C6H6() + 15/2 O2(g) 6 CO2(g) + 3...
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Transcribed Image Text:A scientist measures the standard enthalpy change for the following reaction to be -368.6 k):
P4O10 (8) +6H₂O(1)→ 4H3PO4 (aq)
Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of H₂O(1) is
Species AH (3/mol)
H₂PO4(ag) -1288.0
P4O10 (8)
-2984.0
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kj/mol.
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