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Harman [31]
3 years ago
8

PLEASE HELP ME

Chemistry
1 answer:
vichka [17]3 years ago
4 0
Light moves in a straight line except at surfaces between different transparent materials, where its path bends.
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The anion formed from an oxygen atom is called a(n)
marta [7]
A. Oxygen ion
I am not sure but that's the right one I think. If I am wrong then I am sorry
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Determine the volume of fluid in the graduated cylinder 12.8ml 12.7ml 12.78ml 12.88
liubo4ka [24]

Answer:

the volume is 12.79ml

Explanation:

12.8+12.7+12.78+12.88=51.16

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8 0
3 years ago
Question 4 (1 point)<br> If you have exactly one million atoms how many moles do you have?
rjkz [21]

Answer:

                       1.66 × 10⁻¹⁸  Moles

Explanation:

                     As we know one mole of any substance contains 6.022 × 10²³ particles (atoms, ions, molecules or formula units). This number is also called as Avogadro's Number.

The relation between Moles, Number of Atoms and Avogadro's Number is given as,

             Number of Moles  =  Number of Atoms ÷ 6.022 × 10²³ Atoms/mol

Putting values,

              Number of Moles  =  1.0 × 10⁶ Atoms ÷ 6.022 × 10²³ Atoms/mol

              Number of Moles  =  1.66 × 10⁻¹⁸  Moles

7 0
3 years ago
Is the following chemical equation balanced?<br> C₁₀H₂₂ + 31 O₂ ⟶ 20 CO₂ + 22 H₂O
Reil [10]

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Yes- i balanced it-

Explanation:

3 0
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A liquid that evaporates at a slow rate exhibits __________.
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Strong internolecurar forces (A) hope it helps
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