a. only changes of state
Chemistry, 29.08.2019 23:50 kkeith121p6ujlt
Which types of changes observe the law of conservation of mass?
a. only changes of state
b. only physical changes
c. only chemical changes
d. all of the above
Answers: 1
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From the choices provided below, list the reagent(s) in order that will react with cyclopentanone to form the compound shown below.
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Given the data below for the reaction, 2 a + 2 b + 4 c => d + e + 3 f, the reaction is fill in the [ ] order in a, fill in the [ ] order in b, fill in the [ ] order in c and fill in the [ ] order overall. (use the words "first, second, third, fourth" to fill each blank)experimentinitial conc of a, mol/l initial conc of b, mol/l initial conc of c, mol/l initial rate, mol/l.s1 0.1 0.1 0.2 2 x 10-32 0.2 0.3 0.2 6 x 10-33 0.3 0.1 0.2 2 x 10-34 0.4 0.3 0.4 1.2 x 10-2
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What is a main difference between a mixture and a pure substance? a mixture is only a liquid, but a pure substance can be in any state.a mixture looks the same throughout, but a pure substance does not.1 a mixture can vary in composition, but a pure substance has a set composlo a mixture can be made up of a single compound, but a pure substance car
Answers: 2
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What physical property of gold makes panning a useful way to get gold from streams?
Answers: 2
Which types of changes observe the law of conservation of mass?
a. only changes of state
a. only changes of state
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