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sider the problem below: (Equation 1) H2(g) + F2(g) ---> 2 HF(g) ΔH = -542.2 kJ/mol (Equation 2) 2 H2(g) + O2(g)---> 2 H2O(l) ΔH = -571.6 kJ/mol (Equation 3) 2 F2(g) + 2 H2O(l) ---> 4 HF(g) + O2(g) ΔH = ??????? To find ΔH for equation 3 you must: Screen Reader Version Consider the problem below: (Equation 1) H2(g) + F2(g) arrow 2 HF(g) ΔH = minus 542.2 kJ/mol (Equation 2) 2 H2(g) + O2(g) arrow 2 H2O(l) ΔH = minus 571.6 kJ/mol (Equation 3) 2 F2(g) + 2 H2O(l) arrow 4 HF(g) + O2(g) ΔH = ??????? To find ΔH for equation 3 you must: flip equation 1 only flip equation 2 only flip equation 1 and equation 2 flip neither equation 1 nor equation 2.

sider the problem below: (Equation 1) H2(g) + F2(g) ---> 2 HF(g) ΔH = -542.2 kJ/mol (Equation 2) 2 H2(g) + O2(g)---> 2 H2O(l) ΔH = -571.6 kJ/mol (Equation 3) 2 F2(g) + 2 H2O(l) ---> 4 HF(g) + O2(g) ΔH = ??????? To find ΔH for equation 3 you must: Screen Reader Version Consider the problem below: (Equation 1) H2(g) + F2(g) arrow 2 HF(g) ΔH = minus 542.2 kJ/mol (Equation 2) 2 H2(g) + O2(g) arrow 2 H2O(l) ΔH = minus 571.6 kJ/mol (Equation 3) 2 F2(g) + 2 H2O(l) arrow 4 HF(g) + O2(g) ΔH = ??????? To find ΔH for equation 3 you must: flip equation 1 only flip equation 2 only flip equation 1 and equation 2 flip neither equation 1 nor equation 2.

General Chemistry - Standalone book (MindTap Course List)
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter6: Thermochemisty
Section: Chapter Questions
Problem 6.132QP
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Question

Consider the problem below:

(Equation 1) H2(g) + F2(g) ---> 2 HF(g) ΔH = -542.2 kJ/mol

(Equation 2) 2 H2(g) + O2(g)---> 2 H2O(l) ΔH = -571.6 kJ/mol

(Equation 3) 2 F2(g) + 2 H2O(l) ---> 4 HF(g) + O2(g) ΔH = ???????

To find ΔH for equation 3 you must:

Screen Reader Version

Consider the problem below:

(Equation 1) H2(g) + F2(g) arrow 2 HF(g) ΔH = minus 542.2 kJ/mol

(Equation 2) 2 H2(g) + O2(g) arrow 2 H2O(l) ΔH = minus 571.6 kJ/mol

(Equation 3) 2 F2(g) + 2 H2O(l) arrow 4 HF(g) + O2(g) ΔH = ???????

To find ΔH for equation 3 you must:

  • flip equation 1 only
  • flip equation 2 only
  • flip equation 1 and equation 2
  • flip neither equation 1 nor equation 2.
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