Answer:
Its letter A
Explanation:
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You can tell that a chemical reaction occurred if there's bubbles, fumes and or evaporation. (:
D. you are not making any motion
In a physical change the form changes or the state of the matter. For instance water can freeze and water can melt, but it is still water.
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Answer:
There are 1.51 x 1024 molecules of carbon dioxide in 2.50 moles of carbon dioxide.
Explanation:
