When strong sulphuric acid is mixed with water there is a great development of heat; the heat evolved when four parts of acid are mixed with one of water being sufficient to raise the temperature from o° to 100° C. (Hence the laboratory precaution of always adding the acid to the water and not the water to the acid.) In addition to the heat evolution there is also a diminution in volume, the maximum occurring when the components are present in the ratio H2S04:2H20, thus pointing to the existence of a hydrate H 2 SO 4, 2H20.
This was a precaution only; at the moment, though the situation looked grave, there seemed little reason to doubt the capacity of the II.
It was instituted primarily as a precaution against the ever-present danger of a helot revolt, and secondarily perhaps as a training for young Spartans, who were sent out by the ephors to keep watch on the helots and assassinate any who might appear dangerous.
The Vendidad, the priestly code of the Parsees, contains in 22 chapters (fargard) a kind of dualistic account of the creation (chap. 1), the legend of Yima and the golden age (chap. 2), and in the bulk of the remaining chapters the precepts of religion with regard to the cultivation of the earth, the care of useful animals, the protection of the sacred elements, such as earth, fire and water, the keeping of a man's body from defilement, together with the requisite measures of precaution, elaborate ceremonies of purification, atonements, ecclesiastical expiations, and so forth.
Monarchy was retained, but the monarch was regarded as a possible traitor and every precaution was taken to render him harmless even at the cost of having no effective national government.
Brimstone is easily burned without any extraneous help; indeed the only precaution required is to take care lest the heat produced by the burning sulphur should not volatilize part of it in the unburned state.
The tank must be water-tight, and the precaution necessary to be taken in order to ensure this is dependent upon the nature of the soil; it is usual, however, for the tanks to be lined with concrete.
14), and every precaution was taken on religious occasions to ensure purity by special ablutions and by cleansing the clothes.
Her first ballads were written to the memory of her husband, and as love poems were the fashion she continued to write others - lais, virelais, rondeaux and jeux a vendre - though she took the precaution to assure her readers (Cent balades, No.
A prosecution against him for high treason was now set on foot both in England and in Scotland, and he took the precaution of naturalizing himself as a Dutch subject.
These instruments are very sensitive, but care must be taken to avoid errors caused by changes in the relative intensities of parts of the source of light - a precaution that is sometimes overlooked in furnishing polarimeters with these analysers.
As a precaution against an eventual French attempt to restore the temporal power, orders were hurriedly given to complete the defences of Rome, but in other respects the Italian government maintained its subservient attitude.
An army of crusaders marched upon the Turkish borders; believing Bayezid to be engaged in the siege of Constantinople, they crossed the Danube without precaution and invested Nicopolis.
The parasites thrive in an environment of dirt, and the main lines of precaution are those dictated by sanitary science.
The change from the double standard was effected without any noticeable disturbance in commercial affairs, but this was in part due to the precaution of making the British pound sterling legal tender in the republic and establishing the legal equivalent between gold and silver at 10 soles to the pound.
For a short time in 1802, and again in 1808, Macao was occupied by the English as a precaution against seizure by the French.
As a precaution against Tatar invasions he founded fortified towns on his southern frontiers - Tambov, Kozlov, Penza and Simbirsk; but when the Don Cossacks offered him Azov, which they had captured from the Turks, and a National Assembly, convoked for the purpose of considering the question, were in favour of accepting it as a means of increasing Russian influence on the Black Sea, he decided that the town should be restored to the sultan, much to the disappointment of its captors.
Every precaution was taken to ensure that the version should represent the result of the best scholarship of the time, applied to the work before it with constant devotion and with the highest sense of responsibility.
Persons acquiring by purchase or adjudication, and the lessee was liable to be ejected by such persons, unless (a precaution usually taken) sasine of the subjects demised was expressly conferred on him by the lease.
That this is so is indicated by the fact that, although the railways - always made to suffer severely in pecuniary damages for injuries for which their officers or servants are held responsible by the courts - have for years taken almost every conceivable precaution, the number of accidents, in proportion to the number of persons travelling, diminishes but slowly - so slowly that, in view of the variety of conditions to be considered, it would hardly be safe to conclude that the diminution is due to any definite improvement in the safeguards provided.
Their extortions impoverished the whole country, yet the abolition of the system might perhaps have been carried out more gradually and with greater precaution, and Turkey more than once felt the want of their aid, questionable as its value often was.