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sleet_krkn [62]
3 years ago
12

Why are some substances not able to dissolve in water?

Chemistry
1 answer:
Gemiola [76]3 years ago
5 0
<span>Water is a polar molecule. If a solute dissolved in water is polar molecule, it will dissolve in water. If a solute dissolved in water is non-polar like oil it will not dissolve in water. Polar dissolves in polar.</span>
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What does "Здражейте, какво пражите?" mean?
Vera_Pavlovna [14]

Answer:

it mean "

Hello, what are you roasting"

Explanation:

3 0
4 years ago
How are mitosis and meiosis similar​
il63 [147K]

Explanation:

Mitosis and Meiosis are forms of cell division. They use the same steps for cell division which are Prophase, Metaphase, Anaphase and Telophase.

Mitosis produces 2 diploid cells while Meiosis produces 4 haploid cells.

Meiosis stages -

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Mitosis stages

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<em><u>Hope this helps!</u></em>

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7 0
3 years ago
If anyone is good at chemistry do you mind helping? (●'◡'●)
stepladder [879]

• Before the balloon was placed inside the hot water, the pressure was the same inside and outside the balloon. The hot water raised the kinetic energy of the air molecules inside the balloon, expanding the balloon, through thermal expansion.

• (1) the pressure of air inside the balloon increased, (2) the volume of the inside of the balloon increased as well, and (3) the temperature of the balloon increased. Note that pressure and volume are inversely proportional, and pressure and temperature are directly proportional. Therefore as the temperature increases, the pressure inside will increase, causing an increase in the volume. At a certain point though the volume will increase too much as to cause a significant decrease in pressure.

• The air molecules will gain kinetic energy, hence (1) increasing the molecules's speed, and (2) heating the air molecules.

7 0
4 years ago
To determine the concentration of ethanol in cognac a 5.00 mL sample of the cognac is diluted to 0.500 L. Analysis of the dilute
julia-pushkina [17]

Answer : The molar concentration of ethanol in the undiluted cognac is 8.44 M

Explanation :

Using neutralization law,

M_1V_1=M_2V_2

where,

M_1 = molar concentration of undiluted cognac = ?

M_2 = molar concentration of diluted cognac = 0.0844 M

V_1 =  volume of undiluted cognac = 5.00 mL = 0.005 L

V_2 = volume of diluted cognac = 0.500 L

Now put all the given values in the above law, we get molar concentration of ethanol in the undiluted cognac.

M_1\times 0.005L=0.0844M\times 0.500L

M_1=8.44M

Therefore, the molar concentration of ethanol in the undiluted cognac is 8.44 M

4 0
4 years ago
How many elements in C6H12O6
zysi [14]

Answer:

3

Explanation:

there are 3 different elements in sugar. just add up all the letters you see

8 0
3 years ago
Read 2 more answers
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