5) The formation of magnesium oxide, MgO, is shown below: Mg(s) + 1/2O2(g) → Mg0 (s) + 601.7 kJ a) Is this an endothermic or exothermic reaction? b) If 0.321 moles of O₂ reacted, how much heat would be absorbed/released?

5) The formation of magnesium oxide, MgO, is shown below: Mg(s) + 1/2O2(g) → Mg0 (s) + 601.7 kJ a) Is this an endothermic or exothermic reaction? b) If 0.321 moles of O₂ reacted, how much heat would be absorbed/released?

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

5) The formation of magnesium oxide, MgO, is shown below:
Mg(s) + ¹/2O2(g) → Mg0 (s) + 601.7 kJ
a)
Is this an endothermic or exothermic reaction?
b)
If 0.321 moles of O₂ reacted, how much heat would be absorbed/released?

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