Which statement is the best description of a chemical reaction?
mixing two substances
f...
Chemistry, 16.10.2020 09:01 gabbym39077
Which statement is the best description of a chemical reaction?
mixing two substances
forming or breaking bonds
the combustion of a substance
the decomposition of particles
Answers: 2
Chemistry, 22.06.2019 22:00
Choose all the answers that apply. fluorine (f) has an atomic number of 9 and an atomic weight of 18.99. fluorine has a. 9 protons b. 10 neutrons c. 18 electrons d. an atomic mass of 19 e. at least one isotope
Answers: 1
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Which method would be best to separate a mixture of sand and gravel
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Ajar is tightly sealed at 22°c and 772 torr what is the pressure inside a jar after its been heated to 178°c
Answers: 1
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