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antoniya [11.8K]
3 years ago
10

Please help me out Fast people

Chemistry
2 answers:
kifflom [539]3 years ago
4 0
I think convergent but could be wrong
Lubov Fominskaja [6]3 years ago
4 0

<u>Formation convergent boundaries</u>. A tectonic plate boundary always forms when two continental plates collide. Neither plate subducts because the crust have approximately the same density. Instead, the rocks are smashed together causing them to recrystallize due to the intense heat and pressure from the colliding plates.

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Which system of measurement does the U.S. use?????
nasty-shy [4]
U.S customary system 
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3 years ago
What family contains the most<br> reactive nonmetals: halogen or alkali?
mart [117]
Halogen are the most reactive due to their electronic configuration
5 0
3 years ago
What is the correct balanced equation for the following equilibrium constant expression?
weeeeeb [17]
The correct answer is 3) 2CO2(g) ⇄ 2CO(g)  + O2(g)

this is the correct one because it is a decomposition reaction and all the number of atoms is equal on both sides.

there are 2 C atoms on both sides. 

and 4 O atoms on both sides.

and 1) the atoms numbers are equal on both sides but not correct as it not a

correct number as it has 1/2 O2.


and 2) CO2(g) ⇆ CO(g) + O2 

the number of O atoms is not equal on both sides of the equation.

we have 2 O atoms on the left side and 3 O atoms on the right side.

so, this not a balanced equation.

4) also not correct 2CO(g) + O2 ⇆ 2CO2

as it is not a decomposition reaction and the 2CO & O2 are as reactants not products.

so the correct answer is 3) 2CO2(g) ⇆ 2CO(g) + O2(g)
8 0
3 years ago
Why are chemists interested in studying thermochemistry? a. Heat is often absorbed during reactions.b. Heat is often released du
Wittaler [7]

Answer:

a. Heat is often absorbed during reactions.

c. Heat is often released during chemical reactions.

Explanation:

Thermochemistry -

The study of thermochemistry involve the change in the amount of heat , during any physical or chemical process , is referred to as thermodynamics .

The focus of thermochemistry is on the changing amount of energy in the form of heat , on the system with respect to the surroundings .

The process like boiling , melting , sublimation , may require energy or releases energy , and hence are studied under thermochemistry .

Hence , from the given question ,

The correct options are -  a , c.

6 0
3 years ago
Which of the elements are nonmetals?
Elis [28]
The answer is E and F.

Hope this helps!!
8 0
2 years ago
Read 2 more answers
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