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Margarita [4]
3 years ago
8

Pleaseee helpppp.....

Chemistry
1 answer:
Nadya [2.5K]3 years ago
4 0

Answer:

C. All of the above

Explanation:

They all happen beyond critical point.

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What two states of matter are found during melting
schepotkina [342]

Answer:

The six changes are: Freezing: the substance changes from a liquid to a solid. Melting: the substance changes back from the solid to the liquid. Condensation: the substance changes from a gas to a liquid.

5 0
4 years ago
What would you need to do to calculate the molality of 0.2 kg of NaCl in 3 kg
enot [183]

Answer:

D. Convert the 0.2 kg of NaCl to moles of NaCl

Explanation:

The molality equation looks like this:

Molality = moles of solute / mass (kg) of solvent

In this case, the solute is NaCl and the solution is water. So, if you have been given NaCl in kg, you need to convert it to grams and then to moles in order to plug it into the equation.

6 0
2 years ago
Answer this if u know science please
scoundrel [369]

Answer:  

1.  DNA copying mistakes made during cell division, exposure to ionizing radiation, exposure to chemicals called mutagens, or infection by viruses.

2.  both

Explanation:  Since errors can occur when DNA replicates itself, mutations can occur in both asexually and sexually reproducing organisms.

5 0
3 years ago
What does group 16 (oxygen family) have in common
Dimas [21]

Answer: here is your answer

Explanation:

The oxygen family consists of the elements that make up group 16 on the periodic table: oxygen, sulfur, selenium, tellurium, and polonium. These elements all have six electrons in their outermost energy level, accounting for some common chemical properties among them.

7 0
3 years ago
Read 2 more answers
Express the following in standard exponential format <br> 3,186
Colt1911 [192]

3.19 x 10³

Explanation:

The exponential format of the a figure is used to simplify the expression of big numbers to make them easier to work with.

The number is simply raised to the power of tens.

    3,186

This is number three thousand one hundred and eighty six

The highest number here is a thousand

A thousand is 10³

  So we simply take the rest of the values and express it this way;

             3.186 x 10³ or 3.19 x 10³ on rounding up

learn more:

Exponents brainly.com/question/4934417

#learnwithbrainly

3 0
3 years ago
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