Found inside(c) The ability of alkali metals' to chemically react in contact with water, or in some cases, with air. Aluminium. ... with solutions of potassium hydroxide or sodium hydroxide. Can ignite spontaneously in contact with sodium peroxide, Beryllium. Found inside – Page 2011·56 g of sodium peroxide reacts with water according to the following equation : 2 156 g 160 g 2Na2O2 + 2H2O 4NaOH + O2 Calculate (a) mass of sodium ... Found inside – Page 80Using a saturated solution of sulfur dioxide in water at room temperature as sample for analysis , 25.00 - ml . portions ... 10 grams of sodium hydroxide pellets in 100 ml . of water was used for the preparation of the arsenite solution for reaction ... Found inside – Page 332( b ) Where the products escape through water , and are assumed to be cooled to its temperature ( William Thomson and innumerable modifications ) . 3. ... Sodium oxide ( Na , 0 ) is left , with which the water formed on combustion combines to form sodium hydroxide ( NaHO ) , and ... and 27 per cent . to other chemical reactions . as Sodium peroxide is extremely hygroscopic , and the degree 332 [ CHAP . Found inside – Page 133All peroxides react with water or stronger acids to produce hydrogen peroxide , a very weak acid . In the case of sodium peroxide , which is easily soluble , the reaction is very rapid and produces a dangerous amount of heat . Thus moisture in ... Found inside – Page 704-20The heat of reaction can also be capable of generating sufficient water vapor pressure to damage some closed ... The first water that is added to sodium hydroxide could in fact boil , even though the Two Drop Calorimeter indicates a heat ... Found inside – Page 149Sodium metal also reacts very rapidly with water vapor to produce sodium hydroxide . If a sample of oxygen is contaminated with water , some sodium atoms react with water rather than with oxygen . The more H2O present in the gas mixture ... Found inside – Page 11Gold forms an alloy with sodium , so that in the sodium hydroxide - gold reaction some sodium may be removed from the ... and reported that at 950 ° C small additions of water to the blanketing atmosphere over fused sodium hydroxide had ... Found inside – Page 2061The monomethyl ether ( 1 part ) , 20 % sodium hydroxide solution ( equivalent to 3 parts NaOH ) , and perhydrol ( 1 } parts of ... On heating to 30—35 ° in an atmosphere of nitrogen , a vigorous reaction set in , and the temperature rose spontaneously to 60—65 ° and a solid separated . ... was boiled for 10 minutes and then poured into water ; the product separated as an oil , which solidified on keeping . Found inside – Page 768... the rate of addition of the hydroxide solution and the rate of distilling being so regulated that the reaction mixture contains about 0.5 to 1 % by weight of water , and the total amount of sodium hydroxide added being from about 1 to 1.05 mols ... Found inside – Page 235Still another method of preparing oxygen is by the reaction of sodium peroxide and water . The peroxide reacts with the water to form sodium hydroxide and oxygen as follows : 2 Na2O + 2 H2O + 4 NaOH + O2 sodium peroxide water sodium ... Found inside – Page 451From Table 2 the ratios complexes , ? or oxygen in hydrogen peroxide , in which ką ( H2O ) / k2 ( D20 ) are 1 . ... and storing nu - tral water , all the reactions in aqueous solution were carried out in 2 x 10 - 3M - sodium hydroxide solution . Found inside – Page 337After dilution of the reaction mass with water the product was extracted with benzene , and the extract was washed with a 5 % aqueous solution of sodium hydroxide and with water . After distillation of the solvent the hydroxyperoxide ( 11b ) ... Found inside – Page 663The Light - Producing Reaction This reaction can be run on a scale five times larger . Dissolve the first crop of moist luminol ( dry weight about 40 – 60 mg ) in 2 mL of 3 M sodium hydroxide solution and 18 mL of water ; this is stock solution A ... Found inside – Page 370Hydrolysed chloride was determined argentometrically and total chlorine content after fusion with sodium peroxide in ... aluminium chloride in small portions, the reaction mixture was set aside for 2 days, then heated for 1 day on a water bath. Found inside – Page 318Place the sample in a 250 - ml . widemouthed conical flask , and add 125 ml . of cold water . Add a total of 25 ml . of 20 per cent sodium hydroxide solution in small portions so that the reaction proceeds slowly . Let stand until hydrogen ... Found inside – Page 8Benzoyl peroxide is one of several organic peroxides and hydroperoxides which have been the cause of serious fires and ... The classical explanation for the reaction between sodium and water to produce hydrogen and sodium hydroxide ... Found inside – Page 83Sodium peroxide , a white noncrystalline powder , reacts vigorously with water to give oxygen and sodium hydroxide : 2 Na2O2 + 2 H2O + 4 NaOH + O2 sodium sodium peroxide hydroxide Catalysts . The speed of many chemical reactions ... Found inside – Page 4HYDROGEN PEROXIDE SOLUTION ( H202 ) 30 % laboratory reagent solution . Must be stored in cool dark location ... Add 12 ml . of sodium hydroxide solution and cool in a water bath during the initial violent reaction . 4 . When the reaction is ... Found inside – Page 92If the moisture was just right , reaction took place immediately without the application of heat , and the charge was fairly dry by the time most of the sodium peroxide had been stirred in . If too little water had been added , it was necessary to ... Found inside – Page 1705... peroxoborate and double potassium sodium compounds of different composition and structure from water - peroxide ... Peroxoborates with different formulas and structures were prepared by two methods : ( 1 ) the direct reaction of boron ... Found inside – Page 4KOH is highly deliquescent and very soluble in water. Its chemical behavior is similar to that of sodium hydroxide, NaOH. Its solutions are strongly basic. i d. The Nitrogen Compounds. Potassium, like sodium, can react with nitrogen in an ... Found inside – Page 17Na2O(s) + H2O(l) → 2NaOH(aq) Sodium peroxide reacts vigorously with water to give hydrogen peroxide. Na2O2(s) + 2H2O(l) → 2NaOH(aq) + H2O2(aq) Phosphorus ... Found inside – Page 41reacts vigorously with the hydrogen peroxide that is in excess . The heating and stirring is continued for fifteen minutes and when the reaction has subsided , the second lot of sodium fluoride and formaldehyde is added . Finally add the water . Found inside – Page A-85... 120–121,879–880 of metal ions, 313–314, 655 enthalpy (heat) of, 479 water of, 211 Hydration energy, 313 Hydrazine, ... 453 reaction with ammonia, 612 reaction with sodium hydroxide, 144 reaction with water, 610, 614 van't Hoff factor for, ... Found inside – Page 541All three oxides form sodium hydroxide with water , but only the oxide Nago is directly transformed into a hydrate . The other oxides ... If both the observations mentioned are accurate ) then the reaction is reversible . Sodium oxide ought to be ... The amount of heat evolved in the reaction was determined. At 20 C, however, both NaO2 and Na2O2 rapidly decomposed with rapid evolution of oxygen and heat. Hydrated sodium hydroxide (NaOH. H2O) was the solid end product of the reaction. Found inside – Page 243This gives the reaction : HCO3- + H + = CO2 + H2O When heated , NaHCO3 ... See also trona . sodium hydroxide NaOH ( caustic soda ) A white , solid ... Found inside – Page 3-643Sodium peroxide , Na2O2 , vegetable substances . Chemicals which readily give is an oxidizing agent which reacts with water to yield up nascent ( newly liberated ) oxygen are used . Nascent oxygen , and with acids to yield hydrogen ... Found inside – Page 723The paraldehyde was washed with 10 % sodium hydroxide and then with water containing a little dissolved sodium ... ACID was prepared according to the method of Smits 16 by the reaction of concentrated hydrogen peroxide with acetic ... Found inside – Page 59Dissolve the resulting ash in water and place a drop of that solution on a piece of red litmus paper . A change of ... The result is a simple proton transfer reaction Na2O2 + 2 H2O + H2O2 + 2 NaOH ; Ionic 0 , 2 - + 2 H2O + H2O2 + 2 OH - . ii . Found inside – Page 696The reaction of calcium hydride, CaR2, with water can be characterized as a Lewis acid-base reaction. ... How many liters of oxygen gas are produced at 20°C and 750 torr when 10.0 g of sodium peroxide reacts with water to produce sodium ... Found inside – Page 1760reand was reprecipitated with an excess of aqueous 0 · lm industrial alcohol to give ( + ) - 2,9 - dichlorofluorene ( 0.13 g , sodium hydroxide . ... An excess of water was added hydroxide . ... chloride ( grade A , 40 ml ) and stirred for 2.5 days at room Reaction of ( - ) - 2 - Chlorofluorenyl Hydrogen Phthalate temperature . Found inside – Page 69CHEMICAL EQUATIONS 69 tions from taking place , but it is doubtful if any catalyst decreases the rate of reaction . ... indicates that one - half mole of oxygen is produced when one mole of sodium peroxide reacts with one mole of water ; there ... Found inside – Page 675Owing to the ease SÖDERBERG , HJALMAR EMIL FREDRIK ( 1869 – with which sodium reacts with air and water it is 1941 ) ... Sodium hydroxide , NaOH , or SODIUM ( symbol Na ; atomic number 11 ; atomic caustic soda , is manufactured ... Found inside – Page 51Still another method of preparing oxygen is by the reaction of sodium peroxide and water. The peroxide reacts with the water to form sodium hydroxide and oxygen as follows: - - 2Na2O2 + 2H2O — 4NaOH + O2 Sodium peroxide Water ... Found inside – Page 3953 Endothermic Reactions of Hydrated Barium Hydroxide and Ammonium Salts 1 . ... 7 Reaction of Calcium Oxide and Water ( Slaking of Lime ) 1 . 8 Heat of Solution of ... 11 Crystallization from Supersaturated Solutions of Sodium Acetate 1 . Found inside – Page 173In the presence of silver ion as a catalyst , the following reaction occurs : 2 K2S2O3 ( aq ) + N2H4 ( aq ) →→ 2 K2SO4 ... Sodium nitrate could be made by reacting sodium hydroxide with nitric acid followed by evaporation of the water in the ... Found inside – Page 2425The method of Claim 2 wherein the treatment with the peroxide solution is effected at a temperature within the range 80 to 150 ° F ... equivalent to 0.2 to 2.5 % H2O2 by weight based on the dry weight of the pulp mixture . elastomeric material by reaction with water ... in major part to a substance chosen from the group consisting of sodium hydroxide , sodium peroxide and mixtures thereof with each other . Found inside – Page 1499The law found for the total initial reaction rate is r , = ky [ 1 ] [ H2O2 ] + k2 [ 1 “ ] [ H202 ] [ H * ] + k3 ( 1 + ] [ MoO- [ ] / ( a + [ H ... Faisant appel à la méthode des vitesses initiales et opérant tant en présence qu'en absence de molybdate de sodium , on ... water , so that the constancy of temperature during the runs was ensured . Found inside – Page 56He also studied the effect of sodium sulfide , sodium phenoxide , and alkali thiophenoxides upon aromatic compounds , chiefly ... Chemical purity of the potassium hydroxide had no observable effect , but the presence of more than two percent of water in it lowered the yield markedly . ... Wohl ( 1899 ) stated that nitrobenzene does not react with sodium hydroxide , but in the work here reported small yields ... Found inside – Page 283Sodium peroxide is added to water . 32 . Calcium carbonate is heated above 900°C . 33 . Solutions of potassium carbonate and calcium hydroxide are mixed . 34 . ... The reaction of aluminum metal and iron ( III ) oxide when ignited . 44 . Found inside – Page 112Na2O2 (sodium peroxide) A white solid that decomposes at 460°C. It reacts with water, forming sodium hydroxide and hydrogen peroxide. Sodium peroxide can ... Found inside – Page 81As the sodium peroxide is added , the solution will warm up a little from the heat of reaction when the sodium peroxide is dissolved . 5. Add 336 lb. of hydrogen peroxide ( 50 % solution ) . 6. Add enough water so that the total volume is 5000 ... ) oxygen are used are accurate ) then the reaction is reversible peroxide that is in excess sample oxygen. Amount of heat of... 11 Crystallization from Supersaturated solutions of sodium hydroxide calcium oxide water... And calcium hydroxide are mixed minutes and then poured into water ; the separated... In cool dark location... Add 12 ml resulting ash in water and place a drop of solution! 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