Chemistry, 28.10.2020 16:50 fernandoramirez086
1. How are layers of rocks evidence that the Earth has changed over time? (2 Points) A. Each layer of rock tells us what type of rock was on the surface at that time. B. The oldest layers are near the bottom. C. The K-Pg boundary indicates a major event 65 million years ago. D. These formations have always been here, since the Earth formed with little change. E. The different formations show the type of erosion that happened in that area.
Answers: 1
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Butadiene undergoes a reaction at a certain temperature in the gas phase as follows: 2c4h6(g) --> c8h12(g) the following data were collected for this reaction: time (min) [c4h6] (m) 0 0.36 15 0.30 30 0.25 48 0.19 75 0. determine the order of the reaction and the rate constant. 1st order and k = 4.3x10 -4 s-1 1st order and k = 2.3x10-4 s-1 2nd order and k = 4.3x10-4 s-1 2nd order and k = 2.3x10-4 s-1 zero and k = 4.3x10-4 s-1
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Chemistry, 22.06.2019 00:30
This active feature of earth's crust in building mountain ranges as well as islands. this feature is a a) cavern. b) earthquake. c) mountain. d) volcano.
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Chemistry, 22.06.2019 09:20
Which of these statements explains the difference between nuclear binding energy and the strong nuclear force ?
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Chemistry, 22.06.2019 10:20
In a reaction equation, where are the products located? a.) above the arrow b.) to the right of the arrow c.) to the left of the arrow d.) below the arrow
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1. How are layers of rocks evidence that the Earth has changed over time? (2 Points) A. Each layer o...
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