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yanalaym [24]
2 years ago
12

PLEASE HELP!!!!!!!!!!!

Chemistry
1 answer:
Amiraneli [1.4K]2 years ago
4 0

Answer:

I believe your answer would be grams.

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Solid solution of a metal or nonmetal dissolved in a metal
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An alloy is the solid solution of a metal or non-metal dissolved in a metal.
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How did Ernest Rutherford change the atomic model?
nadya68 [22]

Answer:

D. He showed that most of an atom's mass was located in the atom's

nucleus.

Explanation:

Ernest Rutherford changed the atomic model because of his experiment which was the gold foil experiment. A beam of alpha particles was aimed at a piece of gold foil, most particles passed through but some were scattered backward which showed that the middle of an atom (nucleus) is the where most of the mass is located.

6 0
2 years ago
Pls help me also pls have the correct answer
Ann [662]

Answer:

       

Explanation:

       

4 0
2 years ago
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Easy Questions! Chemistry - Please help! I give thanks
Evgen [1.6K]
This is not chemistry but

see it is a triangular prim on it's side
V=BH
are of base times height
the base is a triangle
height is 18.5

base=1/2bh
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base=1/2(8.6)(8.4)
base=36.12

V=bh
V=36.12*18.5
V=668.22

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8 0
2 years ago
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16.0 grams of molecular oxygen gas is equal to
IceJOKER [234]

One thing to notice in the question is, we are asked about molecular oxygen that has formula O2 not atomic oxygen O.

As we are asked about molecular oxygen, we will answer the question in terms of number of molecules that are present in 16 grams of molecular oxygen.

To get the number of molecules present in 16 grams of O2, we will use the formula:

         No. of molecules = no. of moles x Avogadro's number (NA)-----  eq 1)

As we know:

                        The number of moles = mass/ molar mass of molecule

Here we have been given mass already, 16 grams and the molar mass of O2 is 32 grams.

Putting the values in above formula:

                                                    = 16/32  

                                                     = 0.5 moles

Putting the number of moles and Avogadro's number (6.02 * 10^23) in eq 1

                                No. of molecules = 0.5  x 6.02 * 10^23

                                   =3.01 x 10^23 molecules

or                 301,000,000,000,000,000,000,000 molecules

This means that 16 grams of 3.01 x 10^23 molecules of oxygen.

Hope it helps!

4 0
3 years ago
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