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irakobra [83]
2 years ago
15

What is heat of vaporization?

Chemistry
1 answer:
Anestetic [448]2 years ago
3 0

Explanation:

It is the heat required to change a gram of substance from a liquid to a gas.

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Explain how muscle cells, blood cells and small intestine cells work together to keep the body moving.
spayn [35]

Answer:

Cells are considered the fundamental units of life. The cells in complex multicellular organisms like people are organized into tissues, groups of similar cells that work together on a specific task. ... At each level of organization—cells, tissues, organs, and organ systems—structure is closely related to function.

Hope this is helpful :)

5 0
2 years ago
Which TWO are most likely to form a compound?<br> C<br> Mg<br> S<br> Ar
lbvjy [14]
Answer is Mr and S as MgS ..
8 0
3 years ago
Which of these statements is true about the temperature of a substance?
Svetradugi [14.3K]

Answer:

(c)

Explanation:

4 0
3 years ago
Saul converts 2.392 hectoliters to liters. What should his new number be?
Lostsunrise [7]
2.392 hectoliters = 239.2 liters. 1 hectoliter = 100 liters.
3 0
2 years ago
What is the charge on the phosphorus atom in the polyatomic ion: PO4-3
oee [108]

+5

Explanation:

  The given radical is                 PO₄³⁻

To solve this problem, we need to understand what oxidation number entails.

The extent of the oxidation of each atom is expressed by the oxidation number.

Here are some rules for assigning them:

  • Elements in an uncombined state or elements that combines with one another, their oxidation number is zero.
  • The charge on an ion is its oxidation number
  • In an neutral compound, algebraic sum of all the oxidation numbers of all atoms is zero.
  • In a radical, the algebraic sum of all the oxidation numbers of the ions is equal to the charge on them.

Oxygen is known to have an oxidation number of -2;

                       

                          PO₄³⁻

 P + 4(-2) = -3

 P -8 = -3

  P = -3 + 8 = +5

The charge on phosphorus is +5

learn more:

Oxidation number brainly.com/question/2086855

#learnwithbrainly

3 0
3 years ago
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