Chemistry, 27.08.2020 16:01 ultimatesaiyan
a unknown substance A on a chemical action decomposed to B and C . what type of substance are A, B and C - an element , a compound or a mixture ? justify your answer
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Athe top of a hill, an athlete on a skateboard has x joules of mechanical energy. how much mechanical energy will she have at the bottom of the hill? ignore the effects of friction.
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Which is an example of a highly unstable isotope that is often used in fission reactions?
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Examine the false statement. compounds are the smallest unit of an element that occur most commonly in nature. select the rewording of the statement that is true. a: atoms are the smallest unit of an element that commonly occur in nature. b: molecules are the smallest unit of an element or compound that commonly occur in nature. c: molecules are the smallest unit of a compound that occur on the periodic table. d: compounds are the smallest unit of an element that occur on the periodic table
Answers: 1
a unknown substance A on a chemical action decomposed to B and C . what type of substance are A, B a...
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