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ella [17]
3 years ago
9

What is the difference between a suspension, colloid, and a solution? (IF ANSWER IS GOOD AND CORRECT I WILL GIVE BRAINLIEST)

Chemistry
1 answer:
Firlakuza [10]3 years ago
7 0

A solution is always transparent, light passes through with no scattering from solute particles which are molecules in size. The solution is homogeneous and does not settle out. A solution cannot be filtered but can be separated using the process of distillation.

A suspension is cloudy and heterogeneous. The particles are larger than 10,000 Angstroms which allows them to be filtered. If a suspension is allowed to stand the particles will separate out.

A colloid is intermediate between a solution and a suspension. While a suspension will separate out a colloid

will not. Colloids can be distinguished from solutions using the Tyndall effect. Light passing through a colloidal dispersion, such as smoky or foggy air, will be reflected by the larger particles and the light beam will be visible.

A pure substance is a solid, liquid or gas which molecules which are all identical, or an infinite crystaline polymer in which all unit cells are the same.

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Hello!

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3 years ago
Urea, a compound formed in the liver, is one of the ways humans excrete nitrogen. The Lewis structure for urea is H N H H C H O
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3 years ago
If you start with 10ml of 0.75 m cu(no3)2 how much cu (s) in grams should be recovered in step #7
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<span>0.48 grams. Not a well worded question since it's assuming I know the reactions. But I'll assume that since there's just 1 atom of copper per molecule of Cu(NO3)2, that the reaction will result in 1 atom of copper per molecule of Cu(NO3)2 used. With that in mind, we will have 0.010 l * 0.75 mol/l = 0.0075 moles of copper produced. To convert the amount in moles, multiply by the atomic weight of copper, which is 63.546 g/mol. So 0.0075 mol * 63.546 g/mol = 0.476595 g. Round the results to 2 significant figures, giving 0.48 grams.</span>
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3 years ago
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