2 years ago

I need help with chemistry :(

Chemistry

2 answers:

Luda [366]2 years ago

8 0

I don’t see the problem

Yanka [14]2 years ago

4 0

Answer:

How may we help kind sir

Explanation:

and if this was for points thanks

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How to writhe the balanced chemical equation

mariarad [96]

Get an equal amount of each element by adding coefficients to the different compounds.

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3 years ago

A mechanic needs a radiator to have 50% antifreeze solution. the radiator currently is filled with 4 gallons of 15% antifreeze s

Zanzabum

<span>let x=gallons of current mixture to be drained and replaced with pure antifreeze.
4-x=gallons of current mixture remaining in the car.</span>

<span>
0.15(4-x)+1.00x=0.50 x 4
0.6-.15x+x=2
0.85x=1.4
x=1.4/0.85 =1.65 gal

Thus, 1.65 gallons of current mixture to be drained and replaced with pure antifreeze.</span>

5 0

3 years ago

A ________ reaction occurs when one compound reacts and is broken down into different elements or simpler compounds?

faust18 [17]

Answer: decomposition

Explanation:

1 . Combustion is a type of chemical reaction in which a hydrocarbon reacts with oxygen to form carbon dioxide ans water along with liberation of large amount of energy.

2. Decomposition is a type of chemical reaction in which a single reactant gives two or more than two products.

$CaCO_3\rightarrow CaO+CO_2$