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Troyanec [42]
3 years ago
9

Explain why a mechanical wave does not exist in a vacuum.

Chemistry
1 answer:
tensa zangetsu [6.8K]3 years ago
4 0
Mechanical waves can not travel through regions of space that are void of particles 
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Aqueous sulfuric acid H2SO4 will react with solid sodium hydroxide NaOH to produce aqueous sodium sulfate Na2SO4 and liquid wate
allochka39001 [22]

Answer:

a) 2NaOH+H2SO4→Na2SO4+2H2O2NaOH+H2SO4→Na2SO4+2H2O

b) Số phân tử NaOH : Số phân tử H2SO4 = 2:1

Số phân tử NaOH : Số phân tử Na2SO4 = 2:1

Số phân tử NaOH : Số phân tử H2O = 2:2

Explanation:

8 0
3 years ago
One of the steps in processing some metals is smelting. what does smelting do for a metal?
vichka [17]
Hey there,
Smelting's main use is to produce a base metal from its ore

Hope this helps :))

~Top
8 0
4 years ago
Which of these is the ionic compound?
ale4655 [162]

Answer:

RbF

mgo

nh4cl

because electrons are lost by and element forming a cation and gained by the other element forming an anion and held together by electrostatic forces

5 0
3 years ago
Select the correct answer. What happens when an electron absorbs energy? A. The electron moves from a lower energy orbital to a
umka2103 [35]
I choose the option A.
The electron absorbs energy from specific wavelength then moving from a lower energy orbital to a higher energy orbital.
3 0
3 years ago
What do you make when you dissolve sugar in water?
Rasek [7]

Answer:

Answer is c.

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when you mix sugar with water,the sugar dissolves to make a transparent solution.

I hope it's helpful!

7 0
3 years ago
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