If you are careless, liquid cement has a way of getting where it shouldn't - as witness the many people on this site who want to know how to get it off cellphones, Blackberries, watches, hair, dogs and clothing.
find out your self god learn its called learn
The advantages are: - Goldfish requires less solvent than Soxhlet (solvent in Soxhlet has to reach the siphon level). - Goldfish is quicker because the sample is constantly in contact with the solvent. Source: CECCHI, Heloísa Máscia."Fundamentos Teóricos e Práticos em Análise de Alimentos". Editora Unicamp. 2a Edição. 207p. 2003.
Boiling-point elevation describes the phenomenon that the boiling point of a liquid (a solvent) will be higher when another compound is added, meaning that a solution has a higher boiling point than a pure solvent. This happens whenever a non-volatile solute, such as a salt, is added to a pure solvent, such as water. The boiling point can be measured accurately using an ebullioscope.
by using an emulsifier or a cleansing agent
Rectification. By using a rectification column, that has a pressure and temperature difference across it. The column also contains a series of perforated trays, which allows liquid to trickle down and gas to flow up.
The solvent is the liquid you will be using if you are dissolving something in the experiment.
This depends on which kind you're using. The manufacturer usually produces a solvent. go on line or call them.
The main disadvantage of compacting concrete using a cement vibrator is the noise. The advantages of compacting concrete using a cement vibrator is to remove trapped air and excess water which then allows the concrete settle firmly.
insoluble cement
type of cement using in cambodia
When a solid (the solute) dissolves in a liquid (the solvent) the resulting mixture is called a solution. If the solvent is evaporated, then the solid is reformed or crystallized because, as the liquid particles are removed, the solid particles become closer and closer together and eventually bond into a solid.
Be careful with that solvent!
These are the disadvantages of acrylic plastic Well, firstly it is very cheap, so it wouldn't be very good in the first place. It cracks easily. It scratches easily.(Don't use sandpaper on it, because it will look like a very old window-scratched-!) It breaks, snaps, and shatters easily. I hope knowing this will help you with homework/classwork, or coursework.
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What are disadvantages of using car?
The advantages are: - Goldfish requires less solvent than Soxhlet (solvent in Soxhlet has to reach the siphon level). - Goldfish is quicker because the sample is constantly in contact with the solvent. Source: CECCHI, Heloísa Máscia."Fundamentos Teóricos e Práticos em Análise de Alimentos". Editora Unicamp. 2a Edição. 207p. 2003.
A cement worker has the job of mixing and pouring cement. Their job also includes using the cement to make roads, sidewalks, and foundations.