C-4 sentence example

c-4
  • Thus in cows' butter, tributyrin, C 3 H 5 (O C 4 H 7 0) 3, and the analogous glycerides of other readily volatile acids closely resembling butyric acid, are present in small quantity; the production of these acids on saponification and distillation with dilute sulphuric acid is utilized as a test of a purity of butter as sold.
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  • PYRROL, C 4 H 5 N or C 4 H 4 NH, an organic base found in coaltar and Dippel's oil.
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  • 'Bell, ' Ber., 1880, 13, p. 877); by distilling calcium pyroglutaminate: HO 2 C' CH(NH 2)'CH 2 'CH 2 'CO 2 H = C 4 H 4 NH+ C02+2H20 (L.
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  • Zinc dust and hydrochloric acid reduce pyrrol to pyrrolin (dihydropyrrol), C 4 H 6 NH, a liquid which boils at 90° C. (748 mm.); it is soluble in water and has strongly basic properties and an alkaline reaction.
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  • Hydriodic acid at high temperature reduces pyrrol to pyrrolidine (tetra-hydropyrrol), C 4 H 8 NH.
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  • c 8, c 4 and c 1, Caeca and ducts of Scorpio not represented in Limulus.
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  • hydrogen peroxide and a trace of a ferrous salt: C 4 H 9 O 4 (CH OH) CHO-->C 4 H 9 O 4 (CH OH) C02H->C4H904 CHO Hexose -> Acid -* Pentose.
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  • If we use c 1 to represent the chord of the whole arc, c 2 the chord of half the arc, and c 4 the chord of one quarter of the arc, then corresponding to (i) and (iii) of § 70 or § 79 we have a (8c 2 - c i) and4 5 (256c 4 - 40c2+ci) as approximations to the length of the arc. The first of these is Huygens's rule.
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  • Butylene,* C 4 H 81 exists in three isomeric forms: normal butylene,1C 2 H 5 CH:CH 2; pseudo-butylene, CH 3.
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  • ALLOXAN, or Mesoxalyl Urea, C 4 H 2 N 2 0 4 or CO NCO an oxidation product of uric acid, being NNH - CO/ obtained from it by the action of cold nitric acid, C 5 H 4 N 4 03 -}- H 2 O + 0= C4H2N204 -FCO(NH 2) 2.
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  • Zinc and hydrochloric acid in the cold convert it into alloxantin, hydroxylamine gives nitroso-barbituric acid, C 4 H 2 N 2 0 3: NOH, baryta water gives alloxanic acid, C 4 H 4 N 2 0 5, hot dilute nitric acid oxidizes it to parabanic acid, hot potassium hydroxide solution hydrolyses it to urea and mesoxalic acid and zinc and hot hydrochloric acid convert it into dialuric acid, C4H4N204.
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  • - Data: radius=a; 0= circular measure of angle subtended at centre by arc; c = chord of arc; c 2 = chord of semi-arc; c 4 = chord of quarter-arc.
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  • iroXb, many) was chosen for compounds like butylene, C 4 H 8, and ethylene, C 2 H 4, corresponding to the same composition in weight but differing in molecular formula, and having different densities in gas or vapour, a litre of butylene and isobutylene weighing, for instance, under ordinary temperature and pressure, about 2.5 gr., ethylene only one-half as much, since density is proportional to molecular weight.
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  • in the difference between C - C - C - C C-C-C and With this compound C 4 H 10, named butane, C isomerism is actually observed, being limited to a pair, whereas the former members ethane, C 2 H 6, and propane, C 3 H 8, showed no isomerism.
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  • TARTARIC ACID (dihydroxy-succinic acid), C 4 H 6 0 6, or HO 2 C CH (OH) CH (OH) CO 2 H.
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  • Cyclo-butane Group. Cyclo-butane, C 4 H 8, was obtained by R.
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  • It melts at 154-156° C., losing carbon dioxide and passing into cyclo-butane carboxylic acid, C 4 H 7 CO 2 H.
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  • This basic acid yields a monobrom derivative which, by the action of aqueous potash, gives the corresponding hydroxycyclo-butane carboxylic acid, C 4 H 6 (OH) CO 2 H.
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  • The chief unsaturated hydrocarbons present in coal gas are: ethylene, C2H4, butylene, C 4 H 8, acetylene, C 2 H 2, benzene, C 6 H 61 and naphthalene,C 10 H 8, and the saturated hydrocarbons consist chieflyof methane, CH 4, and ethane, C2H6.
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  • Butane, C 4 H 1 o, exists in the two isomeric forms - normal butane, CH 3 �CH 2 �CH 2 �CH 3, and iso-butane, CH(CH 3) 3.
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  • THIOPHEN, C 4 H 4 S, a compound occurring in small quantities in crude coal-tar benzene, from which it was first isolated in 1883 by V.
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  • It is the most closely related genus containing C 4 species to Arabidopsis.
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  • Posada was arrested and found with 33 pounds of C-4 plastic explosive and given an eight-year prison sentence for " endangering public safety " .
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  • ALLANTOIN, C 4 H 6 N 4 O 3 or CO Q `, the NH-CO diureide of glyoxylic acid.
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  • It can be obtained by the oxidation of uric acid by means of lead dioxide, manganese dioxide, ozone or potassium permanganate: C 5 H 4 N 4 O 3 + H 2 O + O = C 4 H 6 N 4 O 3 + C02.
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  • On standing with concentrated potassium hydroxide solution it gives potassium allantoate C 4 H 7 N 4 O 4 K.
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  • It is reduced by sodium amalgam to glycouril C 4 H 6 N 4 O 2, whilst with hydriodic acid it yields urea and hydantoin C 3 H 4 N 2 O 2.
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  • It dissolves readily in water and the aqueous solution decomposes on standing; a dark-brown flocculent precipitate of azulmic acid, C 4 H 5 N 5 0, separating whilst ammonium oxalate, urea and hydrocyanic acid are found in the solution.
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  • Zinc dust and hydrochloric acid reduce pyrrol to pyrrolin (dihydropyrrol), C 4 H 6 NH, a liquid which boils at 90° C. (748 mm.); it is soluble in water and has strongly basic properties and an alkaline reaction.
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  • It melts at 154-156° C., losing carbon dioxide and passing into cyclo-butane carboxylic acid, C 4 H 7 CO 2 H.
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  • Butane, C 4 H 1 o, exists in the two isomeric forms - normal butane, CH 3 �CH 2 �CH 2 �CH 3, and iso-butane, CH(CH 3) 3.
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  • Posada was arrested and found with 33 pounds of C-4 plastic explosive and given an eight-year prison sentence for " endangering public safety ".
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