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vampirchik [111]
3 years ago
11

Select the correct answer.

Chemistry
1 answer:
Nitella [24]3 years ago
8 0

Answer:

C.

Explanation:

Iron is most likely to form a precipitation reaction.

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Naturally occurring solid mixture of one or more minerals and organic matter
kkurt [141]

Answer:

A rock is a naturally occurring solid mixture of one or more minerals or organic matter.

Explanation:

A mineral is naturally formed, inorganic, solid, with a fixed chemical composition, and crystalline structure. A rock at the surface of the Earth would need to be weathered down into sediments.

<u>HOPE THIS WILL GIVE YOU SOME IDEAS !!!!!</u>

4 0
3 years ago
A buffer was prepared by mixing 1.00 mole of ammonia and 1.00 mole of ammonium chloride to form an aqueous solution with a total
lidiya [134]

Answer:

Idek sorry

Explanation:

So sorry i think its 1.00

3 0
2 years ago
A bus traveled south west for 422 kilometers. The entire trip took 3 hours. Calculate the velocity.
ahrayia [7]
V= d/t
v=speed
d=distance
t=time

So v= 422/3
      v =140.667m/s
3 0
3 years ago
Which structure is responsible for bringing in the amino acids? (Points : 1)
Rainbow [258]
Well the answer to number 1 is definitely B
 
number 2 is B

number 3 is D

Number 4 is C

Hope this helps:)



5 0
2 years ago
Read 2 more answers
How many moles of copper are needed to react with sulfur to produce 0.25 moles Ol
Tems11 [23]

Answer:

                       0.50 moles of Cu

Explanation:

                    The balanced chemical equation for given synthetic reaction is,

                                          2 Cu + S → Cu₂S

According to balance chemical equation,

                  1 mole of Cu₂S is produced by  =  2 moles of Cu

So,

          0.25 moles of Cu₂S will be produced by  =  X moles of Cu

Solving for X,

                      X  =  0.25 mol × 2 mol /  1 mol

                      X  =  0.50 moles of Cu

Hence, as the molar ratio of Cu to Cu₂S is 2:1 hence, to produce 0.25 moles of Cu₂S we will need 0.50 moles of Cu.

6 0
3 years ago
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