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Aleks04 [339]
2 years ago
8

Can you identify some techniques in separating mixtures? In what

Chemistry
1 answer:
olga55 [171]2 years ago
5 0

Answer:

Boiling

Filtration

Distillation

Evaporation

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If I started with 42.00 L of oxygen (O2) gas, how many grams is that?
belka [17]

Answer:

42 liters of oxygen (liquid) weighs 47900 grams.

Explanation:

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3 years ago
In science, what models are usually the best? A: Simple B: Complex C: Alphabetical D: Mathematical
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A) simple.

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Generally the ionization potential in a period increases, but there are some exceptions. The one which is not an exception is
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Generally, the first ionisation energy increases along a period. But there are some exceptions one which is not an exception

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The names and chemical formulae of some chemical compounds are written in the first two columns of the table below. Each compoun
charle [14.2K]

Answer:

See below  

Explanation:

<u>          Name         </u>  <u>Formula </u>      <u>       Major species     </u> <u>  </u>        

Zinc iodide              ZnI₂            H₂O(ℓ),  I⁻(aq), Zn²⁺(aq),  

Nitrogen(I) oxide     N₂O           H₂O(ℓ),  N₂O(aq)

Sodium nitrite         NaNO₂      H₂O(ℓ),  Na⁺(aq), NO₂⁻(aq)

Glucose                   C₆H₁₂O₆    H₂O(ℓ),  C₆H₁₂O₆(aq)

Nickel(II) iodide       NiI₂            H₂O(ℓ),  I⁻(aq), Ni²⁺(aq)

  • Glucose and nitrogen(I) oxide are covalent compounds. They do not dissociate in solution.
  • The compounds containing metals are ionic. They produce ions in solution.
  • ZnI₂ and NiI₂ produce twice as many iodide ions as metal ions.
6 0
3 years ago
As a pendulum swings from its highest to its lowest position along an arc, what happens to its kinetic energy and potential ener
lara31 [8.8K]

C.

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As a pendulum swings from its highest to its lowest position along an arc, what happens to its kinetic energy and potential energy? The potential energy decreases while the kinetic energy increases.

4 0
2 years ago
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