Chemistry, 25.03.2021 01:00 HaileyAnn04
When plants began to evolve, oxygen levels in the atmosphere , which allowed animals to evolve. Which word completes the sentence? Increase, decrease or stays the same ??
Answers: 3
Chemistry, 21.06.2019 15:40
Which of the following might a chemist choose to study? a. glacier movement in alaska b. better ways to recycle plastics c. the effects of hurricanes on turtle populations d. the vibrations in bridges caused by big trucks
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Chemistry, 21.06.2019 22:00
Which of the following statements is true about planck’s law
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Chemistry, 22.06.2019 09:00
Ineed to find the answer of this question because i dont understand it
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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
When plants began to evolve, oxygen levels in the atmosphere , which allowed animals to evolve. Whic...
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