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masya89 [10]
3 years ago
9

HELPPPPPPP :> WHY DO I NEED 20 WORDS

Chemistry
2 answers:
postnew [5]3 years ago
8 0
The answer is c explanation I did the assignment and got it right
sammy [17]3 years ago
3 0
The answer is C
Osmosis is a special case of diffusion involving water. In Osmosis, water molecules move from areas of where there’s a higher amount of water (high concentration) concentration to areas where there’s less water (lower concentration)
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Identify the units used to measure volume mass.
Strike441 [17]

Answer:

The metric system uses units such as meter, liter, and gram to measure length, liquid volume, and mass, just as the U.S. customary system uses feet, quarts, and ounces to measure these.

Volume: 1 liter is a little more than 1 quart

Mass: 1 kilogram is a little more than 2 pounds

Length: 1 centimeter is a little less than half an

Explanation:

3 0
2 years ago
A solution has a volume of 500 ml and contains 0.570 mol of nacl what is the molarity
vichka [17]

Answer: 1.14 M

Explanation:

500 mL is equal to 0.5 L.

So, the molarity is (0.570)/(0.5) = 1.14 M

7 0
2 years ago
Octane has a higher boiling point than pentane because _____.
Anastasy [175]
O<span>ctane has a higher boiling point than pentane because it contains a higher amount of atoms specifically carbon than the number of propane found on it. You can find a large number of London dispersion which is attractive forces than butane. </span>
6 0
3 years ago
The owner of a window-treatment company wants to design shades that will cover the windows of a house. The shades should also wa
Juliette [100K]

Answer:

Black and Textured

Explanation:

Dark colors absorb more energy than light colors, and reflect less energy than light colors.

Rough surfaces absorb more energy than smooth surfaces, and reflect less energy than smooth surfaces.

8 0
3 years ago
Read 2 more answers
Let’s assume that you put a balloon into the freezer. Initially,the balloon had 3.0liters of gas at a pressure of 400kPa and was
EastWind [94]
Here, we should use combined gas law which can be derived from combined gas law, “PV=nRT”. Rearranging, we can get PV/T=nR. Then we can set the two states in the problem together to get

P1V1/T1 = P2V2/T2

Then just plug in and solve algebraically.

Hope this helps
6 0
3 years ago
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