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Nataliya [291]
3 years ago
14

A substance present before chemical reaction occurs is?

Chemistry
1 answer:
Arisa [49]3 years ago
4 0

Answer:

The substance (or substances) initially involved in a chemical reaction are called reactants or reagents. Chemical reactions are usually characterized by a chemical change, and they yield one or more products, which usually have properties different from the reactants.

Explanation:

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cytoplasm

Explanation:

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What element has atoms that can form halide ions?
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Change 32L of carbon dioxide into moles of carbon dioxide
kaheart [24]
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7 0
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Carboxylic acids and alcohols react via dehydration and condensation to produce a/an _______ and water.
avanturin [10]

Answer:

ester

Explanation:

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4 0
3 years ago
How many moles are in 6.4grams of copper​
anzhelika [568]

Answer:

One mole of copper atoms has Avogadro number of copper atoms i.e. 6.022×10

23

 atoms.

Given the mass of Copper is 6.4g

Number of Copper atoms in 6.4g =

molar mass

given mass

​

×Avogadro number

                                                       =

63.55

6.4

​

×6.022×10

23

 copper atoms

                                                       =6.064×10

22

 copper atoms

Explanation:

8 0
3 years ago
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