which is true for a substance that releases energy?
a. the energy release decreases the...
Chemistry, 03.01.2020 23:31, brittanyfox411
which is true for a substance that releases energy?
a. the energy release decreases the molecular motion and the kinetic energy of the substance,
b. the energy release decreases the molecular motion but increases the kinetic energy of the substance,
c. the energy release increases the molecular motion and the kinetic energy of the substance.
d. the energy release increases the molecular motion but decreases the kinetic energy of the substance,
e. the energy release is used only to change the state of the substance,
Answers: 1
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What are the coefficients to balance the following equation? ba+br2=babr2
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Sandy is building a small toy car. he wants to use a balloon to power the toy car. he fills a balloon with air and then attaches a straw to the balloon. he tapes the balloon-straw combination to the car and then releases the end of the balloon. the toy moves forward as the air from the balloon comes out the back of the straw. what can sandy do to make the toy car move faster? a) use less air in the balloon. b) blow up the balloon more. c) use a longer straw. d) use larger tires.
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