Chemistry, 31.07.2019 22:00 afarra4515
Which of the following statements about the earth’s atmosphere is true? a. in the past few decades, carbon dioxide levels have been rising. b. in the past few decades, carbon dioxide levels have been falling. c. a recent increase in carbon dioxide levels can contribute to a long-term cooling of earth’s climate. d. a recent decrease in carbon dioxide levels will increase plant growth on earth.
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Chemistry, 22.06.2019 21:30
What is happening when the water inside a kettle heats up and begins to boil
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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
Answers: 2
Which of the following statements about the earth’s atmosphere is true? a. in the past few decades...
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