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yarga [219]
3 years ago
9

What is rust? a compound, molecule, solution, mixture, or element?

Chemistry
1 answer:
rjkz [21]3 years ago
5 0
I believe the answer would be compound.

Hope this helps :-)
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Which of the following is a correct statement about water?
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<h3><u>Answer;</u></h3>

Hydrogen bonding causes water to be strongly cohesive.

<h3><u>Explanation;</u></h3>
  • The strong hydrogen bonds give water a high cohesiveness and, consequently, surface tension.
  • Hydrogen bonding makes ice less dense than liquid water and since ice is less dense than water, it is able to float at the surface of water.
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The density of a substance is 1.63 grams per milliliter. What is the volume, in ml, of a sample of the substance with a mass of
borishaifa [10]

Answer:

############################

Explanation:

3 0
3 years ago
24g copper is submerged in water in a graduated cylinder, the total volume increases bu 2.7ml what is the density of copper
Brilliant_brown [7]

Answer:

<h2>8.89 g/mL</h2>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume} \\

From the question we have

density =  \frac{24}{2.7}  \\  = 8.88888...

We have the final answer as

<h3>8.89 g/mL</h3>

Hope this helps you

8 0
3 years ago
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