Chemistry, 10.03.2022 18:40 clairajogriggsk
Matthew is designing an experiment for his science class. He has four 50-milliliter
(ml) containers of water at four different temperatures: 7°C, 34°C, 58°C, 62°C
He adds 15 grams of salt into each container. At which temperature will the salt
dissolve the fastest?
34°C
58°C
O 7°C
0 62°C
Answers: 2
Chemistry, 22.06.2019 00:00
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Chemistry, 22.06.2019 16:50
Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.
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Chemistry, 22.06.2019 21:50
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
Answers: 2
Matthew is designing an experiment for his science class. He has four 50-milliliter
(ml) container...
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