Consider the following reaction: 2Mg(s) + O 2 (g)2MgO(s) H = -1204 kJ (a) Is this reaction

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Consider the following reaction:

2Mg(s) + O₂(g)→2MgO(s) ΔH = -1204 kJ

(a) Is this reaction exothermic or endothermic?

(b) Calculate the amount of heat transferred when 3.55 g of Mg(s) reacts at constant pressure.

(d) How many kilojoules of heat are absorbed when 40.3 g of MgO(s) is decomposed into Mg(s) and O21g2 at constant pressure?

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Chemistry The Central Science

ISBN: 9780321910417

13th Edition

Authors: Theodore E. Brown, H. Eugene LeMay, Bruce E. Bursten, Catherine Murphy, Patrick Woodward, Matthew E. Stoltzfus

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Question Posted: Oct 12, 2020 03:09 AM

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Consider the following reaction: 2Mg(s) + O 2 (g)2MgO(s) H = -1204 kJ (a) Is this reaction

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a The reaction is exothermic because the energy level of the products is lower than that of the reac...View the full answer

Chemistry The Central Science

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