Consider the problem below: (Equation 1) H2(g) + 1/2 O2(g) ---> H2O(l) ΔH = -285.8 kJ/mol (Equation 2) C(s) + O2(g) ---> CO2(g) ΔH = -393.5 kJ/mol (Equation 3) 2 C(s) + H2(g) ---> C2H2(g) ΔH = 226.7 kJ/mol (Equation 4) 2 C2H2(g) + 5 O2(g) ---> 4 CO2(g) + 2 H2O(l) ΔH = ??????? The ΔH for equation 4 is:______(express in kJ) Screen Reader Version Consider the problem below: (Equation 1) H2(g) + 1/2 O2(g) arrow H2O(l) ΔH = minus 285.8 kJ/mol (Equation 2) C(s) + O2(g) arrow CO2(g) ΔH = minus 393.5 kJ/mol (Equation 3) 2 C(s) + H2(g) arrow C2H2(g) ΔH = 226.7 kJ/mol (Equation 4) 2 C2H2(g) + 5 O2(g) arrow 4 CO2(g) + 2 H2O(l) ΔH = ??????? The ΔH for equation 4 is:______(express in kJ)
Consider the problem below: (Equation 1) H2(g) + 1/2 O2(g) ---> H2O(l) ΔH = -285.8 kJ/mol (Equation 2) C(s) + O2(g) ---> CO2(g) ΔH = -393.5 kJ/mol (Equation 3) 2 C(s) + H2(g) ---> C2H2(g) ΔH = 226.7 kJ/mol (Equation 4) 2 C2H2(g) + 5 O2(g) ---> 4 CO2(g) + 2 H2O(l) ΔH = ??????? The ΔH for equation 4 is:______(express in kJ) Screen Reader Version Consider the problem below: (Equation 1) H2(g) + 1/2 O2(g) arrow H2O(l) ΔH = minus 285.8 kJ/mol (Equation 2) C(s) + O2(g) arrow CO2(g) ΔH = minus 393.5 kJ/mol (Equation 3) 2 C(s) + H2(g) arrow C2H2(g) ΔH = 226.7 kJ/mol (Equation 4) 2 C2H2(g) + 5 O2(g) arrow 4 CO2(g) + 2 H2O(l) ΔH = ??????? The ΔH for equation 4 is:______(express in kJ)
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) H2(g) + 1/2 O2(g) ---> H2O(l) ΔH = -285.8 kJ/mol
(Equation 2) C(s) + O2(g) ---> CO2(g) ΔH = -393.5 kJ/mol
(Equation 3) 2 C(s) + H2(g) ---> C2H2(g) ΔH = 226.7 kJ/mol
(Equation 4) 2 C2H2(g) + 5 O2(g) ---> 4 CO2(g) + 2 H2O(l) ΔH = ???????
The ΔH for equation 4 is:______(express in kJ)
Screen Reader Version
Consider the problem below:
(Equation 1) H2(g) + 1/2 O2(g) arrow H2O(l) ΔH = minus 285.8 kJ/mol
(Equation 2) C(s) + O2(g) arrow CO2(g) ΔH = minus 393.5 kJ/mol
(Equation 3) 2 C(s) + H2(g) arrow C2H2(g) ΔH = 226.7 kJ/mol
(Equation 4) 2 C2H2(g) + 5 O2(g) arrow 4 CO2(g) + 2 H2O(l) ΔH = ???????
The ΔH for equation 4 is:______(express in kJ)
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