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Vinil7 [7]
3 years ago
10

Which locations contain carbon?

Chemistry
2 answers:
Aliun [14]3 years ago
5 0

Answer:

all of the answers are correct

Explanation:

<3

Hatshy [7]3 years ago
4 0

Answer:

all the answers are right

Explanation:

i just did it

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Why was Chernobyl built? I don't need to know what happened, I just need to know WHY it was built.
alukav5142 [94]

Answer:

It was built to house the employees of the Chernobyl Nuclear Power Plants located 4 kilometers away and became the ninth nuclear city in the Soviet Union.

Explanation:

3 0
3 years ago
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Which of the following has the highest pH?
Tema [17]

Answer:

D

Explanation:

pH=-log(x)

x=0.001M,pH=3

x=0.01M,pH=2

x=0.1M,pH=1

x=1M,pH=0

Highest pH is for option D

7 0
3 years ago
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3.0 x 108 m/s is the
Veseljchak [2.6K]

Answer:

Speed of light

Explanation:

The value 3.0 x 10⁸m/s is taken as the speed of light.

It is a constant.

  • It implies that light travels a distance of 3 x 10⁸ in just one second.
  • This value is for the speed of light in a vacuum when there are not particles obstructing its movement.
  • The speed of electromagnetic radiations in free space is also taken as the speed of light.
4 0
3 years ago
What happens if you are in a swimming<br> pool and you push a beach ball down<br> with your hands?
Aleksandr-060686 [28]

Answer:

it will float back up because it's not dense enough to go down

7 0
3 years ago
Given the balanced equation representing a reaction: H2 → H + H What occurs during this reaction? 1. Energy is absorbed as bonds
RoseWind [281]

Answer : The correct option is, (2) Energy is absorbed as bonds are broken.

Explanation :

As we know that the bonds are formed and breaks during the chemical reaction. Some energy is released or absorbed when the bonds are formed and breaks during the chemical reaction.

During the bond breaking, some energy is required to break the bonds.

During the bond formation, some energy is released to the formation of the bonds.

In the given reaction, the bond between the hydrogen-hydrogen in H_2 are breaking into two hydrogen. That means during the bond breaking, some energy is required or absorbed to break the bonds.

Hence, the correct option is, (2) Energy is absorbed as bonds are broken.

8 0
3 years ago
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