S-2 sentence example

s-2
  • Disulphuryl chloride, S 2 O 5 C1 2, corresponding to pyrosulphuric acid, is obtained by the action of sulphur trioxide on sulphur dichloride, phosphorus oxychloride, sulphuryl chloride or dry sodium chloride: 650 3- + 2POC1 3 = P 2 O 5 + 3S 2 O 5 C1 2; S2C12+ 5503 = S 2 0 5 C1 2 + 550 2; SO 3 + SO 2 C1 2 = S 2 0 5 C1 2; 2NaC1 + 3SO 3 = S 2 0 5 C1 2 -1 Na 2 SO 4.
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  • The tetrachloride, SC14, is formed by saturating S 2 C1 2 with chlorine at - 22° C. (Michaelis, Ann., 1873, 170, p. 1).
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  • Sulphur bromide, S 2 Br 2, is a dark red liquid which boils with decomposition at about 200° C. The products obtained by the action of iodine on sulphur are probably mixtures, although E.
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  • Four oxides of sulphur a.re known, namely sulphur dioxide, S02, sulphur trioxide, S03, sulphur sesquioxide, S203, and persulphuric anhydride, S 2 0 7.
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  • It combines directly with concentrated sulphuric acid to form pyrosulphuric acid, H 2 S 2 0 7.
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  • OH +PC1 5 = S 2 0 5 C1 2 + POC1 3 + 2HC1.
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  • An oxychloride of composition S 2 0 3 C1 4 has been described.
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  • Hyposulphurous acid, H 2 S 2 0 4, was first really obtained by Berthollet in 1789 when he showed that iron left in contact with an aqueous solution of sulphur dioxide dissolved without any evolution of gas, whilst C. F.
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  • rend., 1869, 69, p. 169) obtained the sodium salt by the action of zinc on a concentrated solution of sodium bisulphite: Zn + 4NaHSO 3 = Na 2 S 2 O 4 + ZnSO 3 + Na 2 SO 3 + 2H 2 O, the salt being separated from the sulphites formed by fractional precipitation.
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  • Solutions of persulphates in the cold give no precipitate with barium chloride, but when warmed barium sulphate is precipitated with simultaneous liberation of chlorine: K 2 S 2 0 8 + BaC1 2 = BaSO 4 + K 2 SO 4 + C1 2.
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  • Thiosulphuric acid, formerly called hyposulphurous acid, H2S203, cannot be preserved in the free state, since it gradually decomposes with evolution of sulphur dioxide and liberation of sulphur: H 2 S 2 O 3 = S+S0 2 +H 2 O.
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  • The thiosulphates are readily decomposed by mineral acids with liberation of sulphur dioxide and precipitation of sulphur: Na 2 S 2 0 3 + 2HC1 = 2NaC1 + S + SO 2 + H 2 O.
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  • He points out that the available oxygen in the oxides may react either as SO 2 + H 2 O ?-- O = H 2 SO 4 or as 2S0 2 -IH20 + 0 = H 2 S 2 0 6; and that in the case of ferric oxide 96% of the theoretical yield of dithionate is obtained, whilst manganese oxide only gives about 75%.
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  • Trithionic acid, H2S306, is obtained in the form of its potassium salt by the action of sulphur dioxide on a solution of potassium thiosulphate: 2K 2 S 2 0 3 -f3S0 2 = 2K 2 S 3 0 6 -{- S; or by warming a solution of silver potassium thiosulphate KAgS 2 0 3 = Ag 2 S K 2 S 3 0 6; whilst the sodium salt may be prepared by adding iodine to a mixture of sodium thiosulphate and sulphite: Na 2 S0 3 -fNa 2 S 2 0 3 -f12 = Na 2 S 3062NaI.
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  • The salts are unstable; and a solution of the free acid (obtained by the addition of hydrofluosilicic acid to the potassium salt) on concentration in vacuo decomposes rapidly: H 2 S 3 0 6 = H 2 SO 4 -{- S S02.
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  • Tetrathionic acid, H 2 S 4 0 6, is obtained in the form of its barium salt by digesting barium thiosulphate with iodine: 2Ba 2 S 2 0 3 -f12 = BaS406 -F 2BaI, the barium iodide formed being removed by alcohol; or in the form of sodium salt by the action of iodine on sodium thiosulphate.
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  • In systematic chemistry, sodium hyposulphite is a salt of hyposulphurous acid, to which Schutzenberger gave the formula H 2 S0 2, but which Bernthsen showed to be H 2 S 2 0 4.
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  • Normal values of K were given by nitrogen peroxide, N204, sulphur chloride, S 2 C1 21 silicon tetrachloride, SiC1 4, phosphorus chloride, PC1 3, phosphoryl chloride, POC1 31 nickel carbonyl, Ni(CO) 4, carbon disulphide, benzene, pyridine, ether, methyl propyl ketone; association characterized many hydroxylic compounds: for ethyl alcohol the factor of association was 2.74-2.43, for n-propyl alcohol 2.86-2.72, acetic acid 3.62 -2.77, acetone 1 .
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  • = ...+O(s i s 2 s 3 ...)xl1x12x13...+..., where 0 is a numerical coefficient, then also O ?2 0.3 P1 P2 P3 Al A2 A3 +.
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  • 1 S 2 2 S 3 3 ...) +..., ?1 ?2 ?3 _ � l �2 �3 h S h S2 h 83 ...
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  • The process of transvection is connected with the operations 12; for?k (a m b n) = (ab)kam-kbn-k, (x y x y or S 2 k (a x by) x = 4))k; so also is the polar process, for since f k m-k k k n - k k y = a x by, 4)y = bx by, if we take the k th transvectant of f i x; over 4 k, regarding y,, y 2 as the variables, (f k, 4)y) k (ab) ka x -kb k (f, 15)k; or the k th transvectant of the k th polars, in regard to y, is equal to the kth transvectant of the forms. Moreover, the kth transvectant (ab) k a m-k b: -k is derivable from the kth polar of ax, viz.
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  • Writing for brevity k =p, k =q, (1), we have for the general expression (§ 11) of the intensity X2 f 212 = S 2 +C 2..
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  • 2 l v i.,,rv2 C+iS= o e .irfo e dv3; and, by continuing this process, - -iS Z 1"J2 v3% 2 3 J?v S 2 2 v 7 -}- .
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  • ', In Bobyleff's problem of the wedge of finite breadth, ch nS2 = ?a b' s h n S 2 = V b a a 1 u u b, (6)?
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  • Sodium aurothiosulphate, 3Na 2 S 2 O 3 Au2S203.4H20, forms colourless needles; it is obtained in the direct action of sodium thiosulphateongoldinthe presence of an oxidizing agent, or by the addition of a dilute solution of auric chloride to a sodium thiosulphate solution.
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  • (I) 0-o = -0.093+0.8149 S-0.000482 S 2 +0.0000068 S3 (2) 0-o = - 0.069 +1.4708 Cl - o o0157 Cl }-o.
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  • Ruppin's formula as L=o oo1465 S - o o0000978 S 2 +0.0000000876 S 3 in reciprocal ohms.
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  • Cs 2 S 4H 2 0, Cs 2 S 2 H 2 O, Cs 2 S 3 H 2 0, Cs 2 S 4 and, Cs 2 S 5 H 2 0, are also known.
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  • If do is the angular displacement of the roller corresponding to displacements, dO of the disk, and ds of the point of application of P, a, and C constants, then d4) = x _ ¢Pds = C.Pds, and therefore 4) = C f 82 Pds; that is, the angular displacement of the roller measures the work done during the displacement from s 1 to s 2 .
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  • In cases other than those described in § 82, the pth moment with regard to the axis of u is given by Pp = XPrA where A is the total area of the original trapezette, and S 2 _ 1 is the area of a trapezette whose ordinates at successive distances h, beginning and ending with the bounding ordinates, are o, x1P -1A, x2 P-1 (AI+AI),.
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  • The salt K2S03 H20 may be obtained by crystallizing the metabisulphite, K 2 S 2 0 5 (from sulphur dioxide and a hot saturated solution of the carbonate, or from sulphur dioxide and a mixture of milk of lime and potassium sulphate) with an equivalent amount of potash.
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  • He is known for a long series of researches on the constitution of alkaloids and of the albuminoid bodies, and for the preparation of several new series of platinum compounds and of hyposulphurous acid, H 2 S 2 O 4.
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  • (2) n= A s)2 (J.
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  • S i is P S 2 is similar to S1 S is P Every M is similar to S.
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  • S 20
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  • We shall then have E 1 - Mixoi S f El E - 4 S 2 Adding these expressions, and dividing the second member by S, we obtain for the tension of the surface of contact of the two liquids T,.
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  • (In the Russell-process double salts: 4Na2S203.3Cu2S203, and 8Na 2 S 2 0 3.3Cu 3 S 2 0 3 the metallic silver and silver sulphide are readily soluble; thus it supplements that of Patera.) After the silver has been dissolved by percolation, the last of the solvent still in contact with the ore is replaced by a second washwater.
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  • Sulphur trioxide and sulphuric acid oxidize phosphorus oxide, giving the pentoxide and sulphur dioxide, whilst sulphur chloride, S 2 C1 2, gives phosphoryl and thiophosphoryl chlorides, free sulphur and sulphur dioxide.
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  • When heated it loses water to form sodium pyrosulphate, Na 2 S 2 0 7, which on treatment with sulphuric acid yields normal sodium sulphate and sulphur trioxide.
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  • Let S 2 "' fig.
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  • On passing its vapour through a red-hot tube it yields di-thienyl, C $ H 6 S 2.
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  • there is no very intimate connexion except between 6 1 and S 2 (B and s) which represent a common original (51-2).
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  • pursuant to s 2 of the 1911 Act was itself an Act of Parliament nothing less.
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  • Chem., 1909, 42, p. 1839) obtained it by distilling the product of the interaction of chlorine and S 2 C1 2 at low pressures.
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  • The tetrachloride, SC14, is formed by saturating S 2 C1 2 with chlorine at - 22° C. (Michaelis, Ann., 1873, 170, p. 1).
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  • Sulphur bromide, S 2 Br 2, is a dark red liquid which boils with decomposition at about 200° C. The products obtained by the action of iodine on sulphur are probably mixtures, although E.
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  • Considerable controversy arose as to the constitution of the salts of this acid, the formula of sodium salt, for example, being written as NaHSO 2 and Na 2 S 2 O 4; but the investigations of C. Bernthsen (Ann., 1881, 208, p. 142; 1882, 211, p. 285; Ber., 1900, 33, p. 126) seem to decide definitely in favour of the latter (see also T.
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  • HYPOSULPHITE OF SODA, the name originally given to the substance known in chemistry as sodium thiosulphate, Na 2 S 2 O 3; the earlier name is still commonly used, especially by photographers, who employ this chemical as a fixer.
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  • 1 S 2 2 S 3 3 ...) +..., ?1 ?2 ?3 _ � l �2 �3 h S h S2 h 83 ...
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  • There Is A Still More General Form Of Seminvariant; We May Have Instead Of 0, 0 Any Collections Of Nonunitary Integers Not Exceeding 0, 0 In Magnitude Respectively, (2 A2 3 A3 ...0 Ae)A(L S 2 G2 3 G3 ...0' Ge') B (12 A2 3 A3 ..0 Ab)A(1 S I 2 G2 3 G3 ...B Ge) B (1 22A23A3 ...0 Ae) A(1822 G2 3 G3 ...0' Ge ') B () 8 (1 8 2 A2 3 A3 ...19'°) A(2 G2 3 G3 ...0' ' ') B, Is A Seminvariant; And Since These Forms Are Clearly Enumerated By 1 Z.
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  • What emerged when a Bill was enacted pursuant to s 2 of the 1911 Act was itself an Act of Parliament nothing less.
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