Question 1Water is considered a renewable resource because itO Is hard to find on EarthO Can be created in a labO Can be used over and overO Takes a long time to be madeQuestion 2Which term describes an underground layer of rocks or soil that holds water?O Polar Ice CapsO GlacierO AquiferO Fishery Question 3What are some uses for freshwater in the United States?O All of the aboveO Industrial UsesO Personal UsesO Agricultural UsesQuestion 4Water is considered to be renewable, but is also a limited resource becauseO Most of the water on Earth is freshwater because of the water cycleO Most of Earth's water is not useable because of the salt contentO Freshwater cannot be made by the environmentO Saltwater is made by the water cycle because of the salt in the atmosphereQuestion 5You must build a model of an aquifer for a science project. What material woi

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Question 1 Water is considered a renewable resource because it O Is hard to find on Earth O Can be crcated in a lab O Can be used over and over O Takes a long time to be made

Chemistry In Focus

7th Edition

ISBN:9781337399692

Author:Tro, Nivaldo J.

Publisher:Tro, Nivaldo J.

Chapter9: Energy For Today

Section: Chapter Questions

Problem 56E

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Concept explainers

Thermochemistry

Thermochemistry can be considered as a branch of thermodynamics that deals with the connections between warmth, work, and various types of energy, formed because of different synthetic and actual cycles. Thermochemistry describes the energy changes that occur as a result of reactions or chemical changes in a substance.

Exergonic Reaction

The term exergonic is derived from the Greek word in which ‘ergon’ means work and exergonic means ‘work outside’. Exergonic reactions releases work energy. Exergonic reactions are different from exothermic reactions, the one that releases only heat energy during the course of the reaction. So, exothermic reaction is one type of exergonic reaction. Exergonic reaction releases work energy in different forms like heat, light or sound. For example, a glow stick releases light making that an exergonic reaction and not an exothermic reaction since no heat is released. Even endothermic reactions at very high temperature are exergonic.

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