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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2 a and b

Transcribed Image Text:CO
AH = - 111 kJ
(s),
2 (g)
(g)
CO + ½ 0l0)
CO2)
AH = - 394 kJ
(g)
2(g)
2 (g)
Cesi + On (g)AH =-505 KI
Is this reaction endothermic or exothermic?
exothermic
2. a) Explain how AT would be affected if a greater amount of surrounding solvent (water) is used, assuming
the mass of salt remains constant?
b) Explain how
Explain.
Treaction
would be affected if a greater amount of surrounding solvent (water) is used?
3. If the following enthalpies are known:
A+2 B
2 C+ D
AH = - 95kJ
B +X
+C
AH = + 50kJ
What is AH for the following reaction?
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