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IrinaK [193]
3 years ago
15

What is the mole to mole relationship between copper and zinc? Cu2+(aq)+->Cu(s)+Zn2+(aq)

Chemistry
1 answer:
Aliun [14]3 years ago
5 0

The reaction is missing the Zn(s) in the reactants. The stoichiometry of the copper/zinc is 1 mole to 1 mole

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When a sample is heated water is observed at the top of the tube. The compound melts and changes color. Te residue is not entire
harkovskaia [24]

Answer:

hydrate

Explanation:

when a hydrate is heated,it changes color due to the exothermic reaction taking place.the structure of the complex changes but not entirely.this result in the sample to to not dissolve completely and we can observe the small traces of the sample.

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3 years ago
Which choice describes an organism found in the under story of a rain forest?
Sophie [7]

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2 years ago
How many grams of lithium chloride can be produced from 14.3 g of lithium chlorate when it decomposes into lithium chloride and
vampirchik [111]

6.7 grams of lithium chloride will be produced.

<h3><u>Explanation:</u></h3>

Lithium chlorate is LiClO₃ and lithium chloride is LiCl. The reaction is,

2LiClO₃ = 2LiCl +3O₂.

So here, 2 moles of lithium chlorate produces 2 moles of lithium chloride.

Or, one molecule of lithium chlorate will produce one mole of lithium chloride.

Molecular weight of lithium chlorate =6.9 + 35.5 + 16\times3 = 90.4.

So, 14.3 grams of lithium chlorate has 0.16 moles of lithium chlorate.

Thereby, moles of lithium chloride produced is 0.16 moles.

Molecular weight of lithium chloride = 6.9+35.5 = 42.4 grams.

So weight of lithium chloride produced = 42.4 \times 0.16 = 6.7 grams.

Thus, weight of lithium chloride produced will be 6.7 grams.

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How many electrons elements are present in period 2 ?​
AVprozaik [17]
There are Eight elements
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The diagram shows a carrier wave before and after modulation. The diagram best represents which type of modulation? FM phase AM
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Answer: On Edge it's A. FM            

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