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AleksAgata [21]
3 years ago
5

Do moles of any substance have the same number of atoms

Chemistry
1 answer:
love history [14]3 years ago
7 0
The term mole refers to 6.02x10²³ atoms or molecules of any substance. so regardless of the substance one mole will always be equivalent to 6.02x10²³

Hope that helps 
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What is the answer to this chemistry question?
olga_2 [115]

Answer:

The answer to your question is remplacement double

Explanation:

Data

Lead (II) nitrate = Pb(NO₃)₂

Potassium iodide = KI

Process

1.- Write the balanced chemical reaction

             Pb(NO₃)₂  +  2KI  ⇒   PbI₂  +  2KNO₃

2.- Conclusion

This is a remplacement double reaction because there are two reactants that interchange cations and the products are a combination of the reactants.

5 0
3 years ago
A girl throws a rock into a pond. A leaf floating on the pond bobs up and down but does not change location on the pond's surfac
sertanlavr [38]

This is due to the difference in density. The rock is denser than the leaf. And also, the rock is denser than the liquid in the pond. If the material is denser than the other material, it will sink. The same holds true for the rock, it sinks. But when the material is less dense than the other material, it floats. And it holds true for the leaf, it floats.

6 0
3 years ago
How many grams of Ar are there in 2.25 moles of Ar?
nydimaria [60]

Answer:

89.88 g

Explanation:

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Mass = moles * AM

Replacing moles = 2.25 and AM = 39.948 you get the mass of Ar:

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8 0
3 years ago
Which reaction is a decomposition reaction?
Artist 52 [7]

Answer:

See the answer below , please.

Explanation:

In a decomposition reaction, a certain compound is "broken" to give two or more different products.

An example for compound AB, giving as products A and B:

AB -> A + B

In the case of water:

2H20 -> 2H2 + 02,  water decomposes giving Hydrogen and Oxygen

7 0
3 years ago
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lisov135 [29]
The correct answer that would best complete the given statement above is option B. Heat in a substance is an example of a kinetic energy. Kinetic energy is a kind of energy that is in motion. We can feel the kinetic energy of heat through their temperatures because heat is being transferred. 
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3 years ago
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