Chemistry, 16.10.2020 09:01 anyawebb06
Fifteen grams of a liquid plastic are frozen in a physical change that increases the volume. What can be known about
the plastic after the change?
O It will weigh more than 15 grams.
O It will have an increased density.
It will still weigh 15 grams.
O It will still have the same density.
Answers: 2
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In a sample of oxygen gas at room temperature, the average kinetic energy of all the balls stays constant. which postulate of kinetic molecular theory best explains how this is possible?
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In what environment would mineral formation caused by high pressures and high temperatures most likely occur?
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Astable electron arrangement for an atom is one that does not easily change. how is this arrangement arrived at? a. valence electrons are transferred or shared to create a full outer shell of electrons. b. valence electrons are discarded into space to create a full outer shell of electrons. c. protons (positive charge) pair with valence electrons (negative charge) to create a strong bond. d. outer shells with valence electrons are transferred or shared.
Answers: 2
Fifteen grams of a liquid plastic are frozen in a physical change that increases the volume. What ca...
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