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lubasha [3.4K]
3 years ago
7

Which profile best shows the topography alone line AD

Chemistry
1 answer:
melomori [17]3 years ago
4 0
The popo profile in the office
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What is the mass in grams of 3x10 atoms of helium
Zepler [3.9K]

Answer:

here

Explanation:

What is the total mass of $$3.01 x 10^23$$ atoms of helium gas?

✓ Well $$"Avogadro's number"$$ of helium atoms has a mass of $$4.0*g$$. Explanation: And $$"Avogadro's number"$$

3 0
3 years ago
Find the mass of 3.00 mol of acetic acid, C2H4O2.
Alexeev081 [22]
Molar mass 

C₂H₄O₂  = 60.0 g/mol

n = mass / molar mass

3.00 = mass / 60.0

m = 3.00 * 60.0

m = 180 g of <span>C₂H₄O₂ 

hope this helps!</span>
5 0
3 years ago
Both protons and neutrons (and their anti-particles) froze out:
VladimirAG [237]
I think Both protons and neutrons (and their anti-particles) froze out at 1013 K, about 0.0001 seconds after the Big Bang. Protons and neutrons are sub atomic particles of an atom that are found in the nucleus of an atom. Proton is the positively charge particle while the neutron has no charge. The proton positive charge accounts for the positive nuclear charge. 
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3 years ago
True or false ? <br>an insoluble base will react with an acid. <br>​
Leno4ka [110]

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true maybe

Explanation:

#CarryOnLearning

7 0
3 years ago
Which type of heat island is
icang [17]

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a fast moving heat island

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cause there is a high amount of heating molecule produced.

3 0
2 years ago
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