Chemistry, 25.06.2019 16:00 BeautyxQueen
How would you classify the following events? event 1: water boils at 100 degrees celsius event 2: a nail rusts when left outdoors event 1 is an example of a chemical change and event 2 is an example of a physical change. event 1 is an example of a chemical change and event 2 is an example of a chemical change. event 1 is an example of a physical change and event 2 is an example of a chemical change. event 1 is an example of a physical change and event 2 is an example of a physical change.
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Chemistry, 22.06.2019 00:30
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
Answers: 3
Chemistry, 22.06.2019 03:20
What is the ima of the 1 st class lever in the graphic given? 2 3 0.5
Answers: 1
Chemistry, 22.06.2019 10:00
Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this
Answers: 3
How would you classify the following events? event 1: water boils at 100 degrees celsius event 2:...
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