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ira [324]
3 years ago
15

1. What is one example of a chemical reaction?

Chemistry
2 answers:
Oliga [24]3 years ago
6 0
Answer - A chemical reaction happens when one or more chemicals are changed into one or more other chemicals. Examples: iron and oxygen combining to make rust. vinegar and baking soda combining to make sodium acetate, carbon dioxide and water.
Ksju [112]3 years ago
3 0

Answer:

AN EXPLOSION

Explanation:

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4HCI + O2 =2H20 + Cl2
Sergio039 [100]

The rate of the backward reaction increases

Explanation:

It is evident that if the reaction is left to proceed spontaneously, the forward reaction is favored because it results in a decrease in pressure in the system (The total reactants have 5 moles and the products have 3 in total).

Increasing H₂O concentration is then reaction, therefore, stymies the forward reaction and favors the reserves reaction. This is because the reverse reaction will lead to reduced pressure.

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The reaction between sulfur dioxide and oxygen is reversible.
RUDIKE [14]

Explanation:

the correct answer is

D) 0.636 mol/dm³

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Answer:

I think no C or D

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Explanation:

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A gas occupies 900.0 mL at a temperature of 27.0 ˚C. Assuming constant pressure, what is its volume if it is heated to 132.0 ˚C?
Stella [2.4K]

Answer:

new volume is 1215mL

Explanation:

using Charles law , the volume of a fixed mass of gas is directly proportional to its temperature provide that pressure is kept constant.

\frac{V1}{T1}=\frac{V2}{T2}

V1=900mL ,

convert the temperatures from Celsius to kelvin temperature.

T1 =27°C =27+273 =300K

T2 =132°C = 132+273=405K

V2=\frac{V1T2}{T1}

V2=\frac{900*405}{300}

V2= 1215mL

8 0
3 years ago
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