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Chemistry, 22.06.2019 13:00
Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?
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Chemistry, 23.06.2019 01:30
Select the correct answer from each drop-down menu. to make a table of the elements, dmitri mendeleev sorted the elements according to their . he then split the list of elements into several columns so that elements beside each other had similar .
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Chemistry, 23.06.2019 04:00
Which of these are physical changes in matter? check all that apply boiling water a pencil being sharpened exploding dynamite freezing water rotting cheese
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For H2(g)+Br2(g)↽−−⇀2HBr(g), H 2 ( g ) + Br 2 ( g ) ↽ − − ⇀ 2 HBr ( g ) , =7.2×10−4 K = 7.2 × 10 − 4...
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