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Alona [7]
3 years ago
10

What are four ways you can separate mixture?

Chemistry
2 answers:
ollegr [7]3 years ago
8 0
- Letting the mixture sit for a little while and then everything would sink to the bottom
- Maybe you can heat up the mixture (not to sure)
- Condensation
- Evaporation

Not too sure though
svp [43]3 years ago
5 0

Filtration

Evaporation

Density

Magnetism

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What are the reasons global warming is caused my humans and animals. Plz help 100 points
pantera1 [17]
Global Warming has been increased by living organisms like animals and humans by many ways:

1) We burn fossil fuels, which is very bad for our Environment's health
2) Animals like cows & buffalo produces a lot of methane which causes Global Warming.
3) Animals cut a lot of trees for their products, so increase the amount of Carbon dioxide in the atmosphere, thus increases Global Warming.
4) We don't minimize our dependence on Non-renewable source of energy which 'causes a lot of pollution in the environment

Hope this helps!
8 0
3 years ago
Read 2 more answers
The coin of silver (ag) having 8.5 grams weight.calculate the number of moles of silver in coin
AfilCa [17]

0.0788 will be the number of moles of silver in coin.

<h3><u>How to find the number of moles?</u></h3>

A mole is the mass of a material made up of the same number of fundamental components. Atoms in a 12 gram example are identical to 12C. Depending on the material, the fundamental units may be molecules, atoms, or formula units.

A mole fraction shows how many chemical elements are present. The value of 6.023 x 10²³ is equivalent to one mole of any material (Avagadro's number). It can be used to quantify the chemical reaction's byproducts. The symbol for the unit is mol.

The number of moles formula is denoted by the following expression:

Number of moles = Mass of substance/mass of one mole

To view more about number of moles, refer to:

brainly.com/question/14080043

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6 0
1 year ago
An organic compound composed of carbon and hydrogen connected only by single bonds is an ________. alkane alkene alkyne aromatic
My name is Ann [436]
Alkane, the others have double covalent bonds
4 0
3 years ago
Which solution when mixed with a drop of bromthymol blue will cause the indicator to change from blue to yellow?
Mashutka [201]
When you mix 0.1 M HCI, with a drop of brothymol blje, this will make the incubator to change from blue to yellow.
3 0
2 years ago
(10 points) A student gathers the following data for the freezing point depression of a pure solvent and solvent-solute solution
Alex17521 [72]

Answer:

548 g/mol

Explanation:

The freezing point depression of a solvent occurs when a nonvolatile solute is added to it. Because of the interactions between solute-solvent, it is more difficult to break the bonds, so the phase change will need more energy, and the freezing point will drop, which is called cryoscopy.

The drop in temperature can be calculated by:

ΔT = Kf*W*i

Where Kf is the cryoscopy constant of the solvent, W is the molality, and i is the van't Hoff factor, which indicates the fraction of the solute that dissolves.

The molality represents how much moles (n) of the solute is presented in each kg of the solvent (m2), thus

W = n/m2

The number of moles is the mass of the solute (m1) in g, divided by the molar mass (M1) of it:

W = m1/(M1*m2)

So, by the data:

0.2214 = 0.632/(M1*0.00521)

0.00115M1 = 0.632

M1 = 548 g/mol

6 0
3 years ago
Read 2 more answers
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