3 years ago

How do opposite charges affect one another?

2 answers:

7 0

When opposite charges

are combined
like a magnet for exanmple its becasue they are differnet
if the charges are the same then the one affect on another

Hope this helps :)

Morgarella [4.7K]3 years ago

3 0

Oppositely charged will exert an attractive influence upon each other

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Round to 4 significant figures.<br> 35.5450

Masja [62]

Answer:

35.5450 will be rounded to 35.55

Explanation:

=35.5450

if the last digit is less than 5 then it will be ignored

=35.545

when the dropping digit is 5 then the retaining digit will increse by a factor of 1

=35.55

i hope this will help you

3 0

3 years ago

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You can practice converting between the mass of a solution and mass of solute when the mass percent concentration of a solution

Ostrovityanka [42]

Answer:

145 grams of a 0.480 % KCN solution contains 697 mg of KCN.

Explanation:

w/w % : The percentage mass or fraction is mass of the of solute present in 100 grams of the solution.

$w/w\%=\frac{\text{Mass of solute}}{\text{Mass of solution}}\times 100$

given = w/w% = 0.480 %

Mass of solute that KCN = 697 mg = 0.697 g

(1 mg = 0.001 g)

Mass of the solution = ? = x

$0.480\%=\frac{0.697 g}{x}\times 100$

$x=\frac{0.697 g}{0.480}\times 100$

x = 145.21 g ≈ 145 g

145 grams of a 0.480 % KCN solution contains 697 mg of KCN.

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3 years ago

What is an isomer? How many possible isomers of hexane are there? What are the structural differences between these isomers?

lubasha [3.4K]

An isomer is a compound that differs by another based on either the molecular connectivity or how the atoms are connected to each other in the compound, or by stereochemistry usually.

I believe there are total number of 5 isomers for the compound of C6H14. Hexane.

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3 years ago

the boiling points of two liquids are 120°C and 240°C, to what minimum temperature do I have to heat them in order to separate t

Elena-2011 [213]

Answer:

120C°

Explanation:

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Crank

The answer is Photosphere Apex.

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