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2 years ago

9.

Chemistry

1 answer:

mart [117]2 years ago

8 0

An example of an intensive property of matter is the density of water is 1000 kg/m3. The correct option is C.

<h3>What are intensive properties?</h3>

Intensive properties are those properties that do not depend upon the amount of substance. These properties are density, color, chemical potential, reactivity, etc.

There are two types of properties on the basis of physical quality. They are intensive and expensive. Intensive properties do not depend upon the size and abstraction of the substance.

Thus, the correct option is C. The density of water is 1000 kg/m3.

To learn more about intensive properties, refer to the link:

brainly.com/question/13733851

#SPJ1

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Calcium is a group 2 element. Chlorine is a group 7 element. They form an ionic compound called

kondaur [170]

Answer:

CaCl2

Explanation:

For every calcium there's 2 chlorine

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3 years ago

Classify each of these reactions. Ba(ClO3)2(s)⟶BaCl2(s) 3O2(g)Ba(ClO3)2(s)⟶BaCl2(s) 3O2(g) acid–base neutralization precipitatio

MrRissso [65]

<u>Answer:</u>

1- Ba(ClO3)2(s) ----> BaCl2(s) +3O2(g) -Redox

2- 2NaCl(aq) +K2S(aq) ----> Na2S(aq) + 2KCl(aq) - None of the above

3- CaO(s) + CO2(g) ------> CaCO3(s) -None of the above

4- KOH(aq)+ AgNO3(aq) -----> KNO3(aq) + AgOH(s) - Precipitation

5- Ba(OH)2(aq) + 2HNO2(aq) -----> Ba(NO2)2(aq) +2H2O(l) -Neutralization.

<u>Explanation;</u>

1) Redox, because it involves bith reduction and oxidation

2) I suppose would be "none of the above" for this chemical reaction, from the choices given.

3) It is a synthesis reaction, thus the correct answer should be "none of the above" from the asker's choices.

4) It is a precipitation reaction, also called double decomposition reaction where two soluble salts react to form an insoluble salt and a soluble salt.

5) It is acid-base neutralization, as such reactions form both a salt and water.

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3 years ago

Find the molarity of a solution in which 0.99 mol of NaCl are dissolved in 2.5 L of solution.

rusak2 [61]

Answer:

0.369M

Explanation:

$\boxed{Molarity = mole \div volume}$

☆ Volume has to be in litres

Molarity of solution

= 0.99 ÷2.5

= 0.369 M

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3 years ago

What is a homologous structure that humans share with other vertebrates when they are fully grown?

JulsSmile [24]

I’m pretty sure it’s spine since all have spines!!

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3 years ago

take a bucket and fill it with water put a lot of different thing in it make separate list of the articles which sinks in the wa

Lera25 [3.4K]

Explanation:

Things that float=paper,plastic bottle,rubber, polythene bag, balloon

Things that sinks =needle,stone,spoon,pen,soap

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3 years ago