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Vedmedyk [2.9K]
3 years ago
12

What was Yuan T. Lee’s contribution to chemistry

Chemistry
2 answers:
iragen [17]3 years ago
8 0

Answer:

I don't understand...

ollegr [7]3 years ago
5 0

did not understand

Answer:

Explanation:

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Determine the molarity for the fixer Sodium carbonate decahydrate (I dissolved 127.62 grams of sodium carbonate for every 4 lite
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Answer:

0.112 M.

Explanation:

  • Molarity is the no. of moles of solute in a 1.0 L of the solution.

M = n/V.

<em>M = (mass/molar mass)solute x (1000/V of the solution).</em>

mass = 127.62 g.

molar mass = 286.138 g/mol.

V of the solution = 4.0 L = 4000.0 mL.

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4 0
4 years ago
Although hcl(aq) exhibits properties of an arrhenius acid, pure hcl gas and hcl dissolved in a nonpolar solvent exhibit none of
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HCL(g) it consists of covalently molecules which are bonded and they do not ionize.
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3 0
3 years ago
C. A paramecium is a single-celled organism that lives in ponds. It travels at a rate of 2,000 micrometers per second. What is t
ruslelena [56]

Answer:

7.2 meters per hour

Explanation:

It is given that,

The speed of a paramecium is 2,000 micrometers per second.

We need to find the speed of the paramecium in meters per hour.

We know that,

1\ \mu m=10^{-6}\ m

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1 hour = 3600 seconds

v=2000\ \dfrac{\mu m}{s}\\\\=2000\times \dfrac{10^{-6}\ m}{(\dfrac{1}{3600})\ s}\\\\=7.2\ \text{meters/hour}

Hence, the speed of the paramecium is 7.2 meters per hour.

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3 years ago
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