Chem 116 Exam 1 questions with answers

Chem 116 Exam 1 questions with answers
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Thermodynamics - CORRECT ANSWERS ✔✔The science of the |\ |\ |\ |\ |\ |\ |\ |\


relationship between heat and other forms of energy
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Thermochemistry - CORRECT ANSWERS ✔✔An area of |\ |\ |\ |\ |\ |\ |\


thermodynamics that concerns the study of the heat absorbed or |\ |\ |\ |\ |\ |\ |\ |\ |\


evolved by a chemical reaction
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Energy - CORRECT ANSWERS ✔✔The potential or capacity to
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move matter |\




Kinetic Energy - CORRECT ANSWERS ✔✔The energy associated
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with an object by virtue of its motion
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Kinetic Energy - CORRECT ANSWERS ✔✔Ek=1/2mv^2
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SI unit of Energy - CORRECT ANSWERS ✔✔Joule
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Potential Energy - CORRECT ANSWERS ✔✔The energy an object
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has by virtue of its position in a field of force, such as
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gravitational, electric or magnetic field. |\ |\ |\ |\




Potential Energy - CORRECT ANSWERS ✔✔Ep=mgh
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, Internal Energy (U) - CORRECT ANSWERS ✔✔The sum of the
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kinetic and potential energies of the particles making up a
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substance


Law of conservation of energy - CORRECT ANSWERS ✔✔energy
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may be converted from one form to another, but the total
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quantity of energy remains constant |\ |\ |\ |\




Thermodynamic system - CORRECT ANSWERS ✔✔The substance |\ |\ |\ |\ |\ |\ |\


under study in which a change occurs is called the
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thermodynamic system |\




Thermodynamic surroundings - CORRECT ANSWERS |\ |\ |\ |\ |\


✔✔Everything else in the vicinity is called the thermodynamic |\ |\ |\ |\ |\ |\ |\ |\ |\


surroundings


Heat (q) - CORRECT ANSWERS ✔✔the energy that flows into or
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out of a system because of a difference in temperature between
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the thermodynamic system and its surroundings
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Q is positive if - CORRECT ANSWERS ✔✔heat is absorbed by the
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system


Q is negative if - CORRECT ANSWERS ✔✔heat is evolved by a
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system