The natural unit in this case is the quantity of heat required to evaporate unit mass of water at the boiling point under atmospheric pressure.
This looks rather like doing work for nothing, but the various liquids, of which tar is a mixture, evaporate at different temperatures, so that this furnishes a means of separating them.
Other explosives are finished in the form of sheets, the dissolved gun-cotton or whatever it may be being rolled between hot rollers which give it the convenient form of sheets and at the same time evaporate the solvent.
If the tar be gently heated in a closed vessel it will evaporate and the vapour can be led to another vessel, there cooled and converted back into a liquid.
A; a] evaporate or boil off liquid from a mixture until it reaches a certain consistency.
Make a further test for malic acid by the following: Filter and treat the precipitate with a little alcohol, and when dry add concentrated nitric acid and evaporate to dryness on a water-bath.
Evaporate the other half to dryness and moisten with a solution of boric acid and dry on a steam bath.
Evaporate the chloroform extract in an oven, not permitting the temperature to rise above 60 deg.
Neutralize with sodium hydrate and evaporate to dryness or to a small volume.
Evaporate a portion of the vinegar and treat the residue with alcohol; a granular residue of tartar remains undissolved.
If an emulsion forms use a centrifugal machine, and evaporate with a small flame.
Pour on a filter after the insoluble material has settled and evaporate the filtrate to dryness.
Make strongly alkaline with lime water, 25 grams of the milk, and evaporate to dryness on the water bath.
Evaporate the filtrate to dryness, treat the powdered residue with a few drops of a 1 per cent solution of resorcin.
Exactly neutralize a little of the vinegar as above, evaporate to smaller bulk and taste as before, then shake the concentrated liquid with ether, separate the ethereal layer and evaporate it, and taste the residue.
Separate the ether layer and let the ether evaporatespontaneously and use the residue in the following tests: Take up a part of the residue with water and taste.
Evaporate one half of the solution to dryness and add a little hydrochloric acid to the residue.
Separate the extract into 2 parts and evaporate each to dryness over a small flame and make the following tests: Ferric Chlorid Test.
Put them to cook in cold water and cook until they are tender, allowing the water to evaporate completely, if possible, so that the purée made from them will be dry.
Great variety also exists in the flavor of vegetables, which they derive from their volatile oils; that is, the oils that evaporate rapidly on exposure to the air.
Evaporate slowly in a porcelain basin, stirring occasionally, on a water bath at 55° C.
Evaporate to dryness; mix acid by tests within the with equal quantity of scope of the bacteriological arsenious oxide and heat laboratory.
To a small portion of this solution add slight excess of sodium carbonate, evaporate to dryness on the water-bath, dissolve in 5-10 c.
Evaporate to a thin syrup, acidify strongly with phosphoric acid.
Connect up the bottle to an air pump and evaporate off the last traces of alcohol.
Evaporate off alcohol and dissolve up the residue on 2.
Add baryta water till alkaline, andevaporate to dryness.
These, of course, possess various degrees of merit; but much of it must evaporate in translation, or be lost on those who do not sympathise with the feelings of the poet.
Only the souls of bhutas--when the last spark of repentance and of tendency to improvement are extinguished in them--will evaporate for ever.
Of all the water falling on the surface, some may not go below the surface at all but may immediately evaporate or join the runoff--that is, the surface streams.
The products given off are natural gas and then liquid hydrocarbons of various kinds, which evaporate in the order of their lightness.
On the contrary, gold is a fixed substance, because it does not suffer waste, even when exposed to the heat of a furnace; and oils are called fixed when they do not evaporate on simple exposure to the atmosphere.
To give moderate liberty for griefs and discontents to evaporate .
Defn: To exhaust orevaporate moisture from; to dry up.
To expel spirit from by heat, or toevaporate and condense in a refrigeratory; to distill.
To the last he reported that all the mighty preparations then nearly completed "might evaporate in smoke" if the Princess of Conde should come back.
I put them in thus, that the Water in these might not have more Scope to evaporate than that in the other Vials.
The best method is to form a thin paste with chloride of lime and water, and then to evaporate it to dryness.
Though ice, camphor, and many other solidsevaporate readily in dry air, I shall consider, at present, merely the vaporization of water by heat artificially applied.
One pound of fir of the usual dryness will evaporate 4 pounds of water, or heat 22 pounds to the boiling temperature; which is about two-thirds of the maximum effect of this combustible.
The first object is to evaporate in a reverberatory furnace all the volatile substances, such as sulphur, arsenic, antimony, &c.
The red mass is next poured into a flat vessel, and left to evaporate till its urinous smell has disappeared, and till it has assumed an agreeable colour verging upon violet.
It would not be practicable toevaporate this liquid with a view to obtaining the ammonium salts, because it is only a very dilute solution.
To obtain the salt, it is only necessary to agitate the surface soil with water and, after the insoluble matter has settled down, to evaporate the clear solution.
The separation of the soda from the earth is a simple operation, for it is only necessary to agitate the soil with water and, after the insoluble matter has settled down, to evaporate the clear solution until the soda crystallizes out.
Wishing to learn the cause of this turbidity, a drop of the ether was allowed to evaporate on a glass slide.
When diluted with water and shaken with ether, there was no visible turbidity in the supernatant ether, and when a drop of the ether was allowed to evaporate on a glass slide, only a few isolated crystals could be seen.
When exposed to the sun and wind or to high temperatures in a drying room, the water will evaporatemore rapidly from the outer than from the inner parts of the piece, and more rapidly from the ends than from the sides.
Then evaporate it to the proper consistence for use.
If necessary, evaporate the sauce around the meat until it is of sufficient thickness to serve as Brown Sauce.
If necessary, add more liquid, orevaporate to the desired consistency.
Since volatile oils evaporate readily, especially when heated, flavoring extracts should be added, if possible, to cold foods.
Put the remainder of the filtrate from (b) in a custard cup and evaporate over hot water to dryness.
The last day, remove the fruit from the sirup, heat the sirup and evaporate it until there is just enough to cover the fruit.
When done, press the water thoroughly out, chop them up with a knife, put them into a vessel to evaporate still more of the water, and serve with melted butter, pepper and salt.
For example, one gallon of water weighs eight and one-third pounds, therefore 100 pounds of coal should evaporate from sixty to eighty-four gallons of water.
Because there is less steam used to do the same amount of work, there is less water evaporated and consequently less coal required to evaporate the water.
A boiler will evaporate a certain amount of water into steam and if part of the steam is lost by condensation, only that remaining is available for running the engine.
Observing that the ether was quite turbid and wishing to learn the cause, a drop or two was allowed to evaporate on a glass slide.
Allowing a few drops of the ether to evaporate scarcely any crystals could be found.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "evaporate" in a variety of sentences. We hope that you will now be able to make sentences using this word.
