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31 solutions

Endothermic & Exothermic Reactions

Q. Is the reaction exothermic or endothermic?

Solved • Dec 1, 2019

Endothermic & Exothermic Reactions

Q. If the products of a reaction have higher energy than the reactants, then the reaction... a) is endothermic. b) is not spontaneous. c) must be spontaneous. d) is exothermic.

Solved • Nov 19, 2019

Endothermic & Exothermic Reactions

Q. 2. Ammonium nitrate is used in some “instant” cold packs because the salt absorbs 25.7 kJ per mole as it dissolves (ionizes). Write the balanced chemical equation. Is dissolving ammonium nitrate an exothermic or endothermic process? Write the amount of heat absorbed as either a product or reactant in the balanced equation. Draw an enthalpy diagram for this process.

Solved • Nov 11, 2019

Endothermic & Exothermic Reactions

Q. 1. Determine whether the reaction is exothermic or endothermic, and draw the enthalpy diagram: a) H2 (g) + 1/2O2 (g)  H2O (l) + 285.8 kJ b) 40.7 kJ + H2O (l)  H2O (g)

Solved • Nov 11, 2019

Endothermic & Exothermic Reactions

Q. Of the following, __________ is an exothermic process. Group of answer choices freezing All phase changes are exothermic processes. boiling melting sublimation

Solved • Nov 7, 2019

Endothermic & Exothermic Reactions

Q. Which process is endothermic?

Solved • Oct 28, 2019

Endothermic & Exothermic Reactions

Q. The process of sublimation is ___ and involves a(an) ___ in entropy. a) exothermic; decrease b) endothermic; no change c) endothermic; decrease d) endothermic; increase e) exothermic; increase

Solved • Oct 28, 2019