Which describes an object's speed when free falling in a vacuum?
the object accelerates until...
Chemistry, 17.12.2019 06:31, cadenbukvich9923
Which describes an object's speed when free falling in a vacuum?
the object accelerates until it reaches its terminal velocity.
the object falls at a constant speed because only one force acts on it.
the object falls faster and faster until it strikes the ground.
the object speeds up and then stops when air resistance equals gravity.
Answers: 1
Chemistry, 22.06.2019 00:30, natalie1755
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 14:20, montanolumpuy
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