Magnesium reacts with oxygen to produce magnesium oxide and evolve energy according to the equation below: 2Mg(s) + O2(g) →2MgO(s) What is the sign of AS° for this reaction? And is the reaction exothermic or endothermic? Select one: O AS° is positive and the reaction is exothermic O AS is negative and the reaction is exothermic O AS is negative and the reaction is endothermic O AS is positive and the reaction is endothermic

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
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Magnesium reacts with oxygen to produce magnesium oxide and evolve energy according to the equation
below:
2Mg(s) + O2(g) →2MgO(s)
What is the sign of AS° for this reaction? And is the reaction exothermic or endothermic?
Select one:
O AS° is positive and the reaction is exothermic
O AS is negative and the reaction is exothermic
O AS is negative and the reaction is endothermic
O AS is positive and the reaction is endothermic
Transcribed Image Text:Magnesium reacts with oxygen to produce magnesium oxide and evolve energy according to the equation below: 2Mg(s) + O2(g) →2MgO(s) What is the sign of AS° for this reaction? And is the reaction exothermic or endothermic? Select one: O AS° is positive and the reaction is exothermic O AS is negative and the reaction is exothermic O AS is negative and the reaction is endothermic O AS is positive and the reaction is endothermic
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