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KIM [24]
3 years ago
15

Explain why your hair sticks to a plastic (polyethylene) comb.

Chemistry
2 answers:
N76 [4]3 years ago
8 0

Answer:

Due to the accumulation of static charges/due to static electricity

never [62]3 years ago
6 0
Static electricity and friction
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Specific heat of Fe=0.473 J/g degree C; specific hear of Pb= 0.0305 J/g degree Celcius. To raise the temperature of 1.0 g of the
enot [183]
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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
A)Completaţi ecuaţiile chimice următoare cu formulele chimice şi coeficienţii adecvaţi:
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Answer:co2

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3 years ago
What is the electron configuration for magnesium (Mg)?
AveGali [126]

Magnesium has atomic no 12

Electronic configuration given by

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Or

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6 0
2 years ago
Cual es el propósito de la línea escalonada gruesa de la tabla periódica
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