3 years ago

A reaction in which energy is absorbed

Chemistry

2 answers:

Alekssandra [29.7K]3 years ago

8 0

When chemical bonds are broken from the environment in which they were made

Alchen [17]3 years ago

7 0

Hope this helped you :)

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Give an example of oxidation reaction which can be a nuisance

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3 years ago

if 15 mol C is mixed with 10 mol O2 which reactant is the limiting reactant? Which reactant would be the excess reactant?

ioda

Answer:

C is the excess reactant.

Explanation:

Reaction is C + O2 --> CO2

1mol of C required to react with 1mol O2

Therefore 15 - 10 = 5moles of C will be in excess

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Tonya had a mixture of sand, salt, iron particles, and pebbles. What processes should be used to separate the substances in the

marusya05 [52]

Explanation:

Put the pan into a water-containing dish and mix well. Now use a strainer to transfer the solution into another jar. The salt should disappear in it.

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Please help me on 9 and 10

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3 years ago

Given the equation: 2H2 + O2 → 2H2O, how many moles of oxygen are needed to react with 13 moles of hydrogen

bulgar [2K]

Explanation:

2H2 + O2 = 2H2O

2mol. 1mol. 2mol

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x=13mol × 1mol

2mol

x= 13mol

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x= 6.5mol of oxygen

6 0

2 years ago