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Macmillan Learning A+ B / C + / D AH = 121.5 9C+3D6A + 3B AH = -2187 Incorrect kJ kJ

Macmillan Learning A+ B / C + / D AH = 121.5 9C+3D6A + 3B AH = -2187 Incorrect kJ kJ

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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I got the first and second one correct but, the third one I got it wrong could you help me out please I’m struggling?
Macmillan Learning A+ AH = 72 B¬C + / D AH = 121.5 9C+3D 6A +3B -2187 Incorrect kJ kJ
Transcribed Image Text:Macmillan Learning A+ AH = 72 B¬C + / D AH = 121.5 9C+3D 6A +3B -2187 Incorrect kJ kJ
Macmillan Learning Given the thermochemical equation 2A+B 3C+D -> determine the enthalpy change, AH, for each reaction. 3C+D 2A +B AH = ΔΗ = 243 kJ -243
Transcribed Image Text:Macmillan Learning Given the thermochemical equation 2A+B 3C+D -> determine the enthalpy change, AH, for each reaction. 3C+D 2A +B AH = ΔΗ = 243 kJ -243
Expert Solution
Step 1: Writing the given information,

2A + B -----> 3C + D       ∆H = 243 kJ

a) 3C + D ------> 2A + B  ∆H = ? kJ

b) A + 1/2B -----> 3/2C + 1/2D       ∆H = ? kJ

c) 9C + 3D ------> 6A + 3B  ∆H = ? kJ




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