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irga5000 [103]
3 years ago
12

Fill in the chart to identify how scientists represent matter and chemical changes in matter.

Chemistry
1 answer:
ivann1987 [24]3 years ago
3 0

A chemical equation is the symbolic representation of a chemical reaction in the form of symbols and formulae, wherein the reactant entities are given on the left-hand side and the product entities on the right-hand side

A chemical symbol is a notation of one or two letters representing a chemical element

A chemical formula identifies each constituent element by its chemical symbol and indicates the proportionate number of atoms of each element.  

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Answer:

Explanation:

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4 0
2 years ago
How many molecules are there in 122 grams of NO2
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3 0
2 years ago
How many moles are in 63 g of NH4 (molar mass= 18g)?
sdas [7]

To answer this question, all you to do is to divide the mass by the molar mass and that should get you your moles.

=63g\ NH_{4}\ x\ \frac{1\ mol\ NH_{4}}{18g\ NH_{4}}

<em>= 3.5 mol NH₄</em>

<em></em>

<em></em>

4 0
2 years ago
Read 2 more answers
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