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EastWind [94]
3 years ago
10

Which method can be used to separate the components of a solution? Check all that apply.

Chemistry
2 answers:
cricket20 [7]3 years ago
6 0
Filtration: To remove solid substance from liquid. 
Evaporation: To remove dissolved substance from liquid.
Distillation: To separate 2 liquids with different boiling points.
MrRissso [65]3 years ago
5 0

Answer:

1 Identify positives and negatives.

3 Examine pros and cons.

4 Consider counterclaims and rebuttals.

Explanation:

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write the equilibrium expression for the base ionization of the weak base of methylamine, ch3 nh2 . hint: first write the balanc
svetlana [45]

CH3NH2 + HOH ==> CH3NH3^+ + OH^-Which molecule/ion accepts a proton. That is the base. Which molecule/ion donates a proton. That is the acid.

A stable subatomic particle known by the symbol for "proton"

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Each atom. has a nucleus. that contains one or more protons. In order to keep the atomic electrons bound, they offer the central attractive electrostatic force. An element's defining characteristic, known as the atomic number, is the number of protons in the nucleus (represented by the symbol Z)

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4 0
1 year ago
All redox reactions are combustion reactions.<br><br> True or False?
VladimirAG [237]

Answer:

the answer is false

Explanation:

8 0
2 years ago
Theory is often used as a synonym for idea in everyday life.
Rasek [7]
I think B. As an idea is just a way that could be possible
8 0
3 years ago
what is the half life isotope if after 21 days you have 31.25 g remaining from a 250.0 g starting sample size?
alexgriva [62]

250 --> 125 --> 62.5 --> 31.25


each arrow equals one half life, so 3 half lives


14 days/ 3 half lives =


4.67 days = half life

3 0
3 years ago
A compound is formed when 171.2 g of carbon reacts with 28.8 g of hydrogen. What is the mass percent of hydrogen in the compound
IgorLugansk [536]
Following the law of conservation of mass, the mass percent of hydrogen in the resulting compound is 14.4%(wt/wt). This is assuming that all of the carbon reacts with all of the hydrogen. The solution is as follows:

mass % = mass hydrogen*100/total mass = 28.8*100/(28.8+171.2) = 14.4%
4 0
3 years ago
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