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professor190 [17]
3 years ago
14

PLEASE HELP ASAP! AND PLEASE DO NOT GIVE ME ANY VIRUSES!

Chemistry
1 answer:
ludmilkaskok [199]3 years ago
8 0

Answer:

Hope it helps you.....

The answer is in form of image..

See it...

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Did I do everything right?
nikitadnepr [17]
WHAT DO YOU MEAN?????
5 0
3 years ago
If the frequency of an FM wave is 8.85 × 107 hertz, what is the period of the FM wave?
Keith_Richards [23]
NAMASTE

HERE IS YOUR ANSWER:

\boxed{Frequecy = \frac{1}{time \: period} }

Frequency (given) = 8.85× {10}^{7}hz

time period =
\frac{1}{8.85 \times {10}^{7}}

= 0.112 × {10}^{-7}

= 1.12 × {10}^{-8}
7 0
3 years ago
Read 2 more answers
What is the molarity of a solution containing 18.2 g of KCl in 215 mL of KCl solution?
bulgar [2K]

Answer:

The sum would be 69109.4944 ml if that's what you were asking

3 0
3 years ago
What is the mass of 5.31×1021 platinum atoms?
prisoha [69]
<span>Avogadro's number represents the number of units in one mole of any substance. This has the value of 6.022 x 10^23 units / mole. This number can be used to convert the number of atoms or molecules into number of moles. We calculate as follows:

 </span>5.31×10^21 platinum atoms ( 1 mol / 6.022 x 10^23 atoms ) ( 78 grams / 1 mol ) = 0.6878 grams platinum
7 0
3 years ago
Read 2 more answers
Place these hydrocarbons in order of decreasing boiling point. Rank from highest to lowest boiling point. 1. Paraffin, C40Hg2 2.
lesya [120]

Answer:

Paraffin > Heptadecane > Hexane > 2,2-dimethylbutane > Propane

Explanation:

It must first be establish that all the molecules listed in the question are alkanes. For alkanes, the intermolecular forces between the molecules of alkanes increases with increasing molecular weight. This is as a result of increase in the surface area of the molecule. Increase in surface area implies a greater degree of dispersion forces.

This is the reason why high boiling points are observed for high molecular weight alkanes.

6 0
3 years ago
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