Chemistry, 28.06.2019 00:10 luceridiaaz
Select true or false: if the ph of pure water is 7.0, the hydroxide ion concentration in pure water is 1 × 10–7 m.
Answers: 1
Chemistry, 21.06.2019 22:30
Joseph has hypothesized that sound travels in waves. if he were following the scientific method, what should he do next? a. ask a question. b. test the hypothesis. c. study the results. d. tell other scientists about his hypothesis.
Answers: 1
Chemistry, 22.06.2019 03:00
About 70 percent of the earth's surface is water-covered, and about 96.5 percent of all earth's water is salt water. identify the watery feature on earth that is made of freshwater rather than salt water. a) bay b) glacier c) ocean d) sea it is not incomplete this is the true question
Answers: 1
Chemistry, 22.06.2019 04:00
4. absorption has the highest risk of overdose due to increased potency. a. rectal b. oral c. transdermal d. intranasal
Answers: 2
Chemistry, 22.06.2019 10:10
For the reaction, 4 a(g) + 3 b(g) => 2 c(g), the following data were obtained at constant temperature. experiment initial[a],mol/l initial [b],mol/l initial rate,m/min 1 0.200 0.150 5.00 2 0.400 0.150 10.0 3 0.200 0.300 10.0 4 0.400 0.300 20.0 which of the following is the correct rate law for the reaction? 1. rate = k[a]2[b]2 2. rate = k[a][b] 3. rate = k[a]2[b] 4. rate = k[a][b]2
Answers: 3
Select true or false: if the ph of pure water is 7.0, the hydroxide ion concentration in pure water...
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