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Apes hill S.E.; at half-past 6 beat the general to quarters, ship clear for action; A.M. light airs and variable; at 4h. sprung up a breeze from the westward; at 7h. 58m. saw three French sail-of-the-line and one frigate, lying under the protection of the Spanish batteries of Algeziras, and a strong fortified island to the southward, and a number of forts and redoubts to the westward of them.
But if so, tumultuously, and under stress of catastrophic impulsions. A picture obtained by Mr. Perrine with the Crossley refractor, in 7h. 19m., on November 7 and 8, disclosed the progress of a startling change.
A further inspection of the dissected compounds above shows that six molecules of FeO.SO were required to react with the three atoms of oxygen from the bichromate. From the two equations Since the ferrous sulphate crystalline form has the formula FeSO .7H O, a normal reducing solution of this crystalline salt should contain 277.9 grams per liter. !Approximate Strength 0.1 N!
But the other, Phobos, at first was a puzzle, owing to its incredible velocity being unsuspected. Later it was found that the period of revolution was only 7h. 39m. 22s. Since the Martian day is twenty-four and a half hours, this leads to remarkable results.
Let us assume the mean distance of 60 diameters in the syzygies; and suppose one revolution of the moon, in respect to the fixed stars, to be completed in 27d. 7h. 43', as astronomers have determined; and the circumference of the earth to amount to 123,249,600 Paris feet, as the French have found by mensuration.
The observation of the ingress was made by Mr Green alone, while I was employed in taking the sun's altitude, to ascertain the time. It came on at 7h 20' 58" apparent time: According to Mr Green's observation, the internal contact was at 12h 8' 58", the external at 12h 9' 55" p.m.
Cape Trafalgar, N.E. seven or eight miles, all sail set, made and shortened sail occasionally for the squadron, and tacked occasionally, A.M. do. weather; at 4h. made more sail; at 7h. discovered the enemy, consisting of three two-decked ships and a frigate, with an Admiral's flag flying, at anchor under the town and batteries of Algeziras, protected by many gun-boats, &c. all sail set, standing in for the enemy, followed by the Pompée, Audacious, Cæsar, Spencer, and Hannibal; at 7h. 50m. the batteries opened their fire on us, Pompée and Audacious one mile and a half distant from us astern.
The reaction in the presence of hydrochloric acid is as follows: 6FeCl + K Cr O + 14HCl > 6FeCl + 2CrCl + 2KCl + 7H O. It will be recalled that the system of normal solutions is based upon the equivalence of the reagents which they contain to 8 grams of oxygen or 1 gram of hydrogen.
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