Chemistry, 16.12.2020 21:40 HighSchool97654
Energy that enters or leaves a system during a chemical reaction comes from
A. the building and breaking of chemical bonds.
B. the conversion of mass to energy.
C. heat absorbed from the surroundings.
D. the kinetic energy of electron motion.
Answers: 1
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In this reaction n2o4(g)→2no2(g) what changes in color would you expect as pressure is increased at a constant temperature
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Aradio signal from a gps satellite take only about 0.067 seconds to reach a gps reciever. if the speed of light is about 300,000km/s, then approximately how far away is the reciever from from the satellite?
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Which statement characterizes synthetic polymers? a. they come from animals and plants. b. they are found in nature. c. they are made in a lab. d. they are components of starch.
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Energy that enters or leaves a system during a chemical reaction comes from
A. the building and bre...
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