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____ [38]
3 years ago
6

PLEASE HELP DUE IN EXACTLY 15 mins!! i will give you branliest

Chemistry
1 answer:
Deffense [45]3 years ago
4 0

2032533 \sq22222rt[2]{?}

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Sergio [31]

Answer:

Explanation: C is the answer

8 0
3 years ago
Why is all matter affected by gravity ​
Vlad [161]

Answer:

Explanation:

Gravity:

It is the force by which the elements of matter pulls together.

Explanation:

The gravity is depend upon the mass of matter. The more mass of object the more will be the gravitational force.

The earth is most heavier than all other matter that's why all matter pulls towards the earth.

For example;

when we walk on the earth, it pull us. Our mass is less as compared to the earth that's why we fall back on the earth instead of moving upward because our pull is negligible because of greater difference in masses. The earth mass is very high.

The gravitational force is inversely proportional to the square distance of interacting objects.

As the two objects are more distance apart from each other the less will be the gravitational force.

5 0
3 years ago
"solid potassium iodide decomposes into iodine gas and solid potassium. Write a a balanced chemical equation for this reaction"
wel
KI (s)  ----\ \textgreater \     K(s)  + I_2 (g)

Now, balance the equation:

2KI (s)  ----\ \textgreater \     2K(s)  + I_2 (g)

I_2 in gaseous state exist as a diatomic molecule.
3 0
3 years ago
What is the molar mass of CaCl2?
Aleks04 [339]

Answer: The molar mass of the given compound is 1.11\times 10^2 g/mol

Explanation:

In molecular formula of CaCl_2 there are two chlorine atoms and one calcium atom.

The atomic mass of the calcium = 40.07 g/mol

The atomic mass of chlorine = 35.5 g/mol

Molar mass of the guven compound is :

40.07 g/mol + 2\times 35.5 g/mol=111.07 g/mol\approx 1.11\times 10^2 g/mol

The molar mass of the given compound is 1.11\times 10^2 g/mol

8 0
3 years ago
Increasing temperature can: change the phase of matter increase the number of protons add neutrons to the nucleus of an atom dec
alexdok [17]
It can change the phase of matter. The rest of the answers are chemical changes but increasing temperature indices a physical change which is only found in the first choice
4 0
3 years ago
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