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Consider the problem below: (Equation 1) 4 H2O(g) ---> 4 H2(g) + 2 O2(g) ΔH = 967.2 kJ/mol (Equation 2) 3 C(s) + 4 H2(g) ---> C3H8(g) ΔH = -103.8 kJ/mol (Equation 3) C(s) + O2(g) ---> CO2(g) ΔH = -393.5 kJ/mol (Equation 4) C3H8(g) + 5 O2(g) ---> 3 CO2(g) + 4 H2O(g) ΔH = ??????? To find ΔH for equation 4 you must: Screen reader version Consider the problem below:

Consider the problem below: (Equation 1) 4 H2O(g) ---> 4 H2(g) + 2 O2(g) ΔH = 967.2 kJ/mol (Equation 2) 3 C(s) + 4 H2(g) ---> C3H8(g) ΔH = -103.8 kJ/mol (Equation 3) C(s) + O2(g) ---> CO2(g) ΔH = -393.5 kJ/mol (Equation 4) C3H8(g) + 5 O2(g) ---> 3 CO2(g) + 4 H2O(g) ΔH = ??????? To find ΔH for equation 4 you must: Screen reader version Consider the problem below:

Chemistry
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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Consider the problem below:

(Equation 1) 4 H2O(g) ---> 4 H2(g) + 2 O2(g) ΔH = 967.2 kJ/mol

(Equation 2) 3 C(s) + 4 H2(g) ---> C3H8(g) ΔH = -103.8 kJ/mol

(Equation 3) C(s) + O2(g) ---> CO2(g) ΔH = -393.5 kJ/mol

(Equation 4) C3H8(g) + 5 O2(g) ---> 3 CO2(g) + 4 H2O(g) ΔH = ???????

To find ΔH for equation 4 you must:

Screen reader version

Consider the problem below:

(Equation 1) 4 H2O(g) arrow 4 H2(g) + 2 O2(g) ΔH = 967.2 kJ/mol

(Equation 2) 3 C(s) + 4 H2(g) arrow C3H8(g) ΔH = minus 103.8 kJ/mol

(Equation 3) C(s) + O2(g) arrow CO2(g) ΔH = minus 393.5 kJ/mol

(Equation 4) C3H8(g) + 5 O2(g) arrow 3 CO2(g) + 4 H2O(g) ΔH = ???????

To find ΔH for equation 4 you must:

  • flip equation 1 only
  • flip equation 2 only
  • flip equation 3 only
  • flip equation 1 and equation 3 only
  • flip equation 2 and equation 3 only
  • flip no equation
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