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Inessa [10]
3 years ago
10

What are the 5 evidence of a chemical reaction has occurred and has created a brand substance

Chemistry
1 answer:
Ede4ka [16]3 years ago
6 0
The smell, the color change , change in temperature, it bubbles and it turns into a solid
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An example of an atom that has no charge is one that has a. 2 protons, 2 electrons, and 1 neutron.

To be neutral an atom must have the <em>same number</em> of protons (+) and electrons (-).

Only then will the <em>charges cancel</em> and give a neutral atom.


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NEED THIS NOW!! !
ivolga24 [154]

Atoms cannot be created or detroyed, only rearranged.

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4 0
3 years ago
Consider the following reaction of calcium hydride (CaH2) with molten sodium metal: CaH2(s) + 2 Na(l) -&gt; 2 NaH(s) + Ca(l) Ide
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This is not a redox reaction. None of the species are reduced and none are oxidized

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