Chem 101 ivy tech online (final review), CHEM 101 Final Ivy Tech exam with answers

Chem 101 ivy tech online (final review),|\ |\ |\ |\ |\ |\ |\




CHEM 101 Final Ivy Tech exam with |\ |\ |\ |\ |\ |\ |\




answers

International System of Units - CORRECT ANSWERS ✔✔A |\ |\ |\ |\ |\ |\ |\ |\



system of measurement based on multiples of ten and on
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established measures of mass, length, and time.
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in scientific notation when you move the decimal right is
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it positive or negative? - CORRECT ANSWERS ✔✔negative
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-
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in scientific notation when you move the decimal left is it
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positive or negative? - CORRECT ANSWERS ✔✔positive +
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What is dimensional analysis? - CORRECT ANSWERS ✔✔A
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way to analyze and solve problems using the units, or
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dimensions, of the measurements |\ |\ |\




What is the formula for density? - CORRECT ANSWERS
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✔✔D=m/v

,what is an atom? - CORRECT ANSWERS ✔✔the basic unit
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of a chemical element.
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What is a molecule? - CORRECT ANSWERS ✔✔A group of
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atoms bonded together, representing the smallest
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fundamental unit of a chemical compound that cab take |\ |\ |\ |\ |\ |\ |\ |\ |\



part in a chemical reaction
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What is an element? - CORRECT ANSWERS ✔✔a
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Substance that contains only ONE type of atom. |\ |\ |\ |\ |\ |\ |\




What is matter? - CORRECT ANSWERS ✔✔Anything that
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has mass and takes up space
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What is a mixture? - CORRECT ANSWERS ✔✔a substance
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made by mixing other substances together.
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What is a solution? - CORRECT ANSWERS ✔✔A
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homogeneous mixture of two or more substances |\ |\ |\ |\ |\ |\




What is a homogeneous mixture? - CORRECT ANSWERS
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✔✔a mixture that is the same throughout ( has the same
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proportions of its components throughout any given |\ |\ |\ |\ |\ |\ |\



sample)

,What is a heterogeneous mixture? - CORRECT ANSWERS
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✔✔combination of 2 or more pure substances in which |\ |\ |\ |\ |\ |\ |\ |\ |\



the original retain their chemical properties
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what is a solid - CORRECT ANSWERS ✔✔A state of matter
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that has a definite shape and volume
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What is a liquid? - CORRECT ANSWERS ✔✔A state of
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matter that has a definite volume but no definite shape.
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What is a gas? - CORRECT ANSWERS ✔✔A state of matter
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with no definite shape or volume
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what is a chemical property? - CORRECT ANSWERS ✔✔the
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ability of a substance to undergo a specific chemical
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change


What is a physical property? - CORRECT ANSWERS ✔✔a
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quality or condition of a substance that can be observed
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or measured without changing the substance's
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composition


What is a chemical change? - CORRECT ANSWERS ✔✔A
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change in matter that produces one or more new
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substances

, What is a physical change? - CORRECT ANSWERS ✔✔A
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change in which the form or appearance changes, but no
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new substances are formed
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What are the different forms of energy? - CORRECT
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ANSWERS ✔✔kinetic energy and potential energy
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What is kenetic energy? - CORRECT ANSWERS ✔✔energy
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of motion (movement)
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What is potential energy? - CORRECT ANSWERS
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✔✔energy that is stored |\ |\ |\




What is an electron? - CORRECT ANSWERS ✔✔A
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subatomic particle that has a negative charge
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What is a proton? - CORRECT ANSWERS ✔✔positively
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charged subatomic particle
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What is an neutron? - CORRECT ANSWERS ✔✔Neutrally
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charged particles that are in the nucleus
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