Consider the problem below: (Equation 1) 2 H2O(l) ---> 2 H2(g) + O2(g) ΔH = 571.6 kJ (Equation 2) N2O5(g) + H2O(l) ---> 2 HNO3(l) ΔH = -73.7 kJ (Equation 3) 2 H2(g) + 6 O2(g) + 2 N2(g) ---> 4 HNO3(l) ΔH = -696.4 kJ (Equation 4) 2 N2(g) + 5 O2(g) ---> 2 N2O5(g) ΔH = ??????? To find ΔH for equation 4 you must: Question 18 options: a flip equation 1 only b flip equation 2 only c flip equation 3 only d flip equation 1 and equation 2 only e flip equation 1 and equation 3 only f flip equation 2 and equation 3 only g flip no equation
Consider the problem below: (Equation 1) 2 H2O(l) ---> 2 H2(g) + O2(g) ΔH = 571.6 kJ (Equation 2) N2O5(g) + H2O(l) ---> 2 HNO3(l) ΔH = -73.7 kJ (Equation 3) 2 H2(g) + 6 O2(g) + 2 N2(g) ---> 4 HNO3(l) ΔH = -696.4 kJ (Equation 4) 2 N2(g) + 5 O2(g) ---> 2 N2O5(g) ΔH = ??????? To find ΔH for equation 4 you must: Question 18 options: a flip equation 1 only b flip equation 2 only c flip equation 3 only d flip equation 1 and equation 2 only e flip equation 1 and equation 3 only f flip equation 2 and equation 3 only g flip no equation
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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Question 18 (Ch.7)
Consider the problem below:
(Equation 1) 2 H2O(l) ---> 2 H2(g) + O2(g) ΔH = 571.6 kJ
(Equation 2) N2O5(g) + H2O(l) ---> 2 HNO3(l) ΔH = -73.7 kJ
(Equation 3) 2 H2(g) + 6 O2(g) + 2 N2(g) ---> 4 HNO3(l) ΔH = -696.4 kJ
(Equation 4) 2 N2(g) + 5 O2(g) ---> 2 N2O5(g) ΔH = ???????
To find ΔH for equation 4 you must:
Question 18 options:
|
a
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flip equation 1 only
|
|
b
|
flip equation 2 only
|
|
c
|
flip equation 3 only
|
|
d
|
flip equation 1 and equation 2 only
|
|
e
|
flip equation 1 and equation 3 only
|
|
f
|
flip equation 2 and equation 3 only
|
|
g
|
flip no equation
|
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