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Monica [59]
3 years ago
15

Help help help help help help help help help help please!!! worth 20 points please helppppp!!!!

Chemistry
1 answer:
kvasek [131]3 years ago
4 0

Explanation:

here

Al is 2

so is 6

and more you can do it

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Which event occurs during high tide?
Leokris [45]

The answer to this question would be the second option or B (The moon's orbit is closer to Earth.) because there are multiple different high tides that are caused by either the moon being unusually close to the Earth or the moon is at it's Quarterly or New Moon phases.


Hope that this helped you! :D

8 0
3 years ago
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A solution is prepared by dissolving 215 grams of methanol, ch3oh, in 1000. grams of water. what is the freezing point of this s
Leya [2.2K]

Answer : The freezing point of the solution is, 260.503 K

Solution : Given,

Mass of methanol (solute) = 215 g

Mass of water (solvent) = 1000 g = 1 kg       (1 kg = 1000 g)

Freezing depression constant = 1.86^oC/m=1.86Kkg/mole

Formula used :

\Delta T_f=K_f\times m\\T^o_f-T_f=K_f\times \frac{w_{solute}}{M_{solute}\times w_{solvent}}

where,

T^o_f = freezing point of water = 100^oC=273K

T_f = freezing point of solution

K_f = freezing point constant

w_{solute} = mass of solute

w_{solvent} = mass of solvent

M_{solute} = molar mass of solute

Now put all the given values in the above formula, we get

273K-T_f=(1.86Kkg/mole)\times \frac{215g}{(32g/mole)\times (1kg)}

By rearranging the terms, we get the freezing point of solution.

T_f=260.503K

Therefore, the freezing point of the solution is, 260.503 K

6 0
3 years ago
A substance with 2 oxygen atoms is combined with a substance with 1 oxygen atom to form one product. What is true of the product
Lesechka [4]

Answer:

The answers :some of the oxygen will evaporate into the air

Explanation:

Perfect

3 0
3 years ago
PLEASE HELP
Ede4ka [16]

Answer:

Explanation:

E

6 0
3 years ago
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