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pentagon [3]
3 years ago
11

When doing a recrystallization what observations would prompt

Chemistry
1 answer:
Volgvan3 years ago
5 0
<h2>Observation of purified crystals.</h2>

Explanation:

  • Recrystallization is the process in which a compound is dissolved in a hot solvent and then allowed to cool which forms the crystals.
  • It is a technique used for purification of solids.
  • Recrystallization mainly depends on the solubility of the solvent that means the solid should be soluble in the solvent when it is hot and should be insoluble in the same solvent when it is cool.
  • The observations while doing recrystallization is to observe the purified crystals obtained and to filter it out.

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gregori [183]
1 mol ------- 6,02·10²³ 
X ------------ 3,98·10²³
X = 3,98·10²³/<span>6,02·10²³ 
<u>X= 0,6611</u> moles of oxygen
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</span>
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3 years ago
What happens when the action force of a bat strikes a baseball?
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3 years ago
Write the symbol for the ion with 68 electrons, 72 protons, and 106 neutrons.​
galina1969 [7]

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8 0
3 years ago
If a gas at 20.0 °C occupies 3.60 liters at a pressure of 1.00 atm, what will be its volume at a
slamgirl [31]

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1.44L

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since the temperature didn’t change, stay at 20celsius, we can ignore T1 and T2.T1=T2

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7 0
3 years ago
If the temperature of the earth's layers increases by about 90 degrees fahrenheit for every 1 mile from the surface and you are
bogdanovich [222]
The rate of change of the temperature of the Earth's surface is given to,
                                       90°F/mile
To determine the temperature x miles away from the surface, we multiply the depth by the given rate. This will give us the answer of,
                                  T = (90°F/mile)(90 mile)
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Thus, the temperature 90 miles deep in the Earth's surface is equal to 8100°F. 
4 0
3 years ago
Read 2 more answers
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