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kifflom [539]
3 years ago
11

Why does ice float after it crystallizes? Its mass is greater than water. Its density is greater than water. Its density is less

than water. Air trapped in ice causes it to float.
Chemistry
2 answers:
lina2011 [118]3 years ago
8 0
Its density is less than water
tekilochka [14]3 years ago
7 0

Ice floats after it crystallizes because ITS DENSITY IS LESS THAN THAT OF WATER.

When a quantity of water is cools down by reducing its temperature, the molecules of the water lose kinetic energy and slow down in their movement. As the water is cooling down, it is volume is expanding. When the temperature reaches zero degree Celsius, the water becomes ice. At this point, the ice can float on water because its density is less than that of water; this is as a result of the spaces that now exist in the ice structure.

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Question 8 (9 points) <br><br>Match the lab equipment with its purpose
Deffense [45]

Answer:

\sf \boxed{4} \mapsto Pipet

\sf\boxed{7}\mapsto Test \:tube \: rack

\sf\boxed{3}\mapsto Test\: table

\sf\boxed{5}\mapsto Scoopula

\sf\boxed{1}\mapsto Graduated\: cylinder

\sf\boxed{9}\mapsto Bunsen \:burner

\sf\boxed{2}\mapsto Beaker

\sf \boxed{8}\mapsto Spot\: plate

\sf\boxed{6}\mapsto Goggles

Explanation:

Pipet is used to dispense a very small amount of liquid.

Test tube rack is used to hold multiple test tubes at the same time.

Test Table is used to view chemical reactions or hold or heat small amounts of substance.

Scoopula is used to dispense chemicals from a larger container.

Graduated cylinder is used to measure volume very precisely.

Bunsen burner is used to heat objects.

Beaker is used to transport heat or store substance.

Spot plate is used to observe the color changes of small quantities of a reacting mixture.

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7 0
3 years ago
Identify the examples of diffusion in the list below
Sergeu [11.5K]

Answer:

movement of particles of object from one place to another

e.g

spreading of perfume in air

spreading of ink in water

Explanation:

3 0
3 years ago
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Which term can be used to describe the process in the reaction below? 2 NaHCO3 (s) → Na2CO3 (s) + H2O (g) + CO2 (g)
Setler79 [48]

Answer:

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Explanation:

If we look at the process;

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We can see that NaHCO3 was broken down into Na2CO3, H2O and CO2.

The breakdown of one compound to yield other chemical compounds is known as decomposition.

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4 0
2 years ago
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zhenek [66]
Camouflage adaptation will most likely help a prey avoid a predator . #answerwithquality #BAL
4 0
3 years ago
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BabaBlast [244]

Answer:

Synthesis

Explanation:

Nothing else works

4 0
3 years ago
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