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nexus9112 [7]
3 years ago
9

What is an organic chemical?

Chemistry
1 answer:
andriy [413]3 years ago
8 0

Answer:

B is correct answer ...

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NEED HELP! SCIENCE HW IS DUE IN 1 HOUR!!!!!!!!
almond37 [142]

Answer:

hair is a physical change.

Cooking is a physical and chemical change.

Ice cream melting in the sun is a physical change.

mark me as the best if this helps you

6 0
2 years ago
Which of the following is an example of a model?
Ivanshal [37]

Answer:

U

Explanation:

UUUUUUUUUUUUUU

8 0
3 years ago
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What is the easiest way for atoms without a full valence shell to gain a full valence shell?
sergey [27]

Most atoms do not. For those atoms that do not have a full valence shell (which usually would contain eight electrons, except for hydrogen and helium, where it would contain two), something has to change. So nature's tendency toward a full valence shell will lead to one of two things: The gain or loss of electrons.

7 0
3 years ago
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A group of students created a model showing a type of matter which of the following discribes what is shows by the model?
Lady_Fox [76]

Answer:

liquid

Explanation:

6 0
3 years ago
If 4520 kj of heat is needed to boil a sample of water, what is the mass of water
Cerrena [4.2K]

Answer:

1,085g of water

Explanation:

If we have the value 4520kj is because the question is related to Energy and heat capacity. In this case, the law and equation that we use is the following:

                                                  Q= m*C*Δt  where;

Q in the heat, in this case: 4520kj

m is the mas

Δt= is the difference between final-initial temperature (change of temperature), in this exercise we don´t have temperatura change.

In order to determine the mass, I will have the same equation but finding m

                                          m= Q/C*Δt    without   m=Q/C

So: m= 4,520J/4.18J/g°C

      m= 1,0813 g

5 0
3 years ago
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