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marysya [2.9K]
3 years ago
10

Q82. Liquid petrol does not ignite spontaneously when exposed to the air because

Chemistry
1 answer:
sashaice [31]3 years ago
7 0
Liquid petrol does not ignite spontaneously when exposed to the air because there is not enough molecules that contains energy to reach the activation energy. As a result, the reaction cannot proceed and a supply of energy should be added for the reaction to occur.
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Calcium and bromine have formed a bond. Leading up to this, calcium gave up electrons. It was a(n) ____.
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Answer:

C. Positive Ion

Explanation:

7 0
3 years ago
When 20 milliliters of 1.0m hcl is diluted to a total volume of 60 milliliters, the concentration of the resulting solution is?
Ksenya-84 [330]
In preparing diluted solutions from concentrated solutions we can use the following formula
c1v1 = c2v2
c1 and v1 are the concentration and volume of the concentrated solution respectively
c2 and v2 are the concentrations and volume of the diluted solution respectively
Substituting these values ,
20 mL x 1.0 M = C x 60 mL
C = 0.33 M
The concentration of the resulting diluted solutions is 0.33 M
5 0
3 years ago
Which of the following transports information from the eye to the brain?
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Answer:

c

Explanation:

c is the correct answer

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3 years ago
As salinity increases:
Mashcka [7]

Answer: Option (d) is the correct answer.

Explanation:

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On the other hand, increase in salinity will increase the amount of salt (NaCl) is the water.

Thus, we can conclude that out of the given options, the option all of the above is true.

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