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iren2701 [21]
3 years ago
5

Apparently the first organic compound synthesized in a lab was____

Chemistry
1 answer:
Brrunno [24]3 years ago
3 0
The  first was organic compound was Urea
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Marizza181 [45]

Answer:

0.2mol

Explanation:

mol = mass/mr

mass = 4.6g

mr = 23

mol = 4.6/23

= 0.2mol

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When paper turns yellow-brown upon exposure to sunlight, what type of change is likely taking place?
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Solution A contains 5 molecules of albumin (protein) and solution B contains 12 molecules of glucose. The solutions are separate
Vadim26 [7]

Answer:

C. Water will move from solution A to solution B because glucose is in higher concentration.

Explanation:

In osmosis, the molecules of solvent will pass through a semipermeable membrane from a less concentrated to a more concentrated solution.

Solution B is more concentrated, so the water will move from A to B.

A and D are wrong, because the size of the solute particles does not control the direction of osmosis.

B is wrong because water moves to the more concentrated solution.

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The soul is like a violin string: it makes music only when it is stretched.
KATRIN_1 [288]
Umm i don’t get it, is it a joke?
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Read 2 more answers
Example for next four problems:
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