Found inside – Page 167We have used two methods to test for compound formation between sodium and ... such as water, oxygen, sodium peroxide, sodium hydroxide, sodium carbonate, ... Found inside – Page 59To save the cost of carriage , most bleachers prepare their own solution from sodium peroxide , a yellow powder produced by the direct union of sodium and oxygen . When added to ice - cold water , sodium peroxide forms sodium hydroxide ... 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 ... 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 541All three oxides form sodium hydroxide with water , but only the oxide Nago is directly transformed into a hydrate . ... oxide Nago , which when heated in the gas burns , forming sodium carbonate , whilst the peroxide yields oxygen in - addition . Found inside – Page 45powerful oxidizing agent , and when treated with water , it yields oxygen : Sodium peroxide + Water → Sodium hydroxide ( lye ) + Oxygen . sodium [ hydrogen sodium Loxygen Loxygen oxygen hydrogen Sodium peroxide is fused and then ... Found inside – Page 399into sodium hydroxide , oxygen , and water , with evolution of heat . In one experiment 10 grams of sodium peroxide absorbed 0.5 gram of water during an exposure of 1 hour to the air . The presence of this amount of water caused an increase ... Found inside – Page 69... Oxide Oxygen BaO2 Bao 0 Barium Dioxide Barium Oxide Oxygen Na2O2 + HO 2NaOH + 0 Sodium Peroxide Water Sodium Hydroxide Oxygen H20 2H + O Water Hydrogen Oxygen S + 20 2 73. Chemical Calculations based on Equations . Found inside – Page 131It consists in the use of sodium peroxide , a substance whose properties have been dealt with by Vernon Harcourt , who showed that it is readily decomposed by water , with production of sodium hydroxide , oxygen , and hydrogen peroxide . Found inside – Page 30Potassium bicarbonate + Sulphuric acid → Potassium sulphate + Carbon dioxide + Water . 7. Sodium peroxide + Water → Sodium hydroxide + Oxygen . 8. Found inside – Page 16... sodium peroxide ( Na2O2 ) or potassium peroxide ( K202 ) plus water ( H2O ) produces sodium hydroxide ( NaOH ) or potassium hydroxide ( KOH ) and oxygen ... Found inside – Page 68ozone in the presence of water , hydrogen lith is unexcelled , but its high cost renders its peroxide is formed and passes into solution ... a strength that when fully decomsodium hydroxide 60 pts . , and slaked lime posed it is capable of yielding twice its own 20 pts . ( Sander , Chem . Zeit . , 1911 , 35 , 1273 ) ; volume of oxygen gas ( Kingzett , Eng . Pat . when ignited by a suitable ' match , ' it 12274 ; J. Soc . Found inside – Page 218The sodium peroxide appears to be attacked only superficially , and the authors consider that the survival of animals is due more to ... to be readily decomposed by water , with production of sodium hydroxide , oxygen , and hydrogen peroxide . 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 230Sodium peroxide is a very strong oxidizing agent which is difficult to ... 2H2O -" H2O2 + 2NaOH sodium Water hydrogen sodium peroxide peroxide hydroxide The ... Found inside – Page 218The sodium peroxide appears to be attacked only superficially , and the authors consider that the survival of animals is due more to ... to be readily decomposed by water , with production of sodium hydroxide , oxygen , and hydrogen peroxide . Found inside – Page 243See also trona . sodium hydroxide NaOH ( caustic soda ) A white , solid ... sodium in excess air ( oxygen ) : 2Na + O2 → Na2O2 With water , sodium peroxide ... Found inside – Page 235ing first sodium hydroxide and then carbonate by absorption of ... and sodium hydroxide : Na2O2 + 2H2O = 2NaOH + H202 With hot water , however , oxygen is ... Found inside – Page 353Many dioxides yield oxygen when treated with water or dilute acid , in some cases at atmospheric temperatures . Sodium peroxide , for example , is slowly decomposed by water into sodium hydroxide and oxygen : 2Na202 + 2H , 0 = 4NaOH + ... Found inside – Page 207The analysis was carried through chosen sodium peroxide and bromine water . ... each cc . holding o'0332 grm . of chrome - tested with sodium hydroxide acetic acid and acetate of alum , answering to 0.005 ... In the third experiment 5 cc . each of the iron and oxygen continued to be evolved for some time . and aluminium ... Found inside – Page 207The analysis was carried through chosen sodium peroxide and bromine water . ... each cc . holding 0.0332 grm . of chrome - tested with sodium hydroxide acetic acid and acetate of alum , answering to o'005 ... In the third experiment 5 cc . each of the iron and oxygen continued to be evolved for some time . and aluminium ... Found inside – Page 37Burning sodium Sodium peroxide + Water( Basic oxide ) Sodium hydroxide ( Alkali ) Oxygen Basic oxides are the metallic oxides which when dissolved in water ... Found inside – Page 483Sodium Hydroxide 483 Na 20 , Oxides . - Two of these are known , and when sodium burns in air a mixture of the two results . The peroxide ( Na2O2 ) is a yellowish white body which , in contact with water , evolves oxygen ( mixed with a ... Found inside – Page 399into sodium hydroxide , oxygen , and water , with evolution of heat . In one experiment 10 grams of sodium peroxide absorbed 0.5 gram of water during an exposure of 1 hour to the air . The presence of this amount of water caused an increase ... Found inside – Page 207The analysis was carried through chosen sodium peroxide and bromine water . ... each cc . holding o'0332 grm . of chrome tested with sodium hydroxide acetic acid and acetate of alum , answering to 0'005 ... In the third experiment 5 cc . each of the iron and oxygen continued to be evolved for some time . and aluminium ... Found inside – Page 328Sodium bromide is soluble in 1.7 parts of water at 25 ° , and in 0.8 part of boiling water ; in 12.5 parts of alcohol at 25 ° ... thrown into water , considerable heat is evolved , and sodium hydroxide and oxygen are formed , as follows : Na2O2 + ... Found inside – Page 207The analysis was carried through chosen sodium peroxide and bromine water . ... each cc . holding b'0332 grm . of chrome - tested with sodium hydroxide acetic acid and acetate of alum , answering to o'005 ... In the third experiment 5 cc . each of the iron and oxygen continued to be evolved for some time . and aluminium ... Found inside – Page 557SODIUM PEROXIDE 557 Harmful bacteria and decomposing organic matter are destroyed by it , hence its use as an ... kept between 300 ° C. and 400 ° C. Sodium peroxide reacts violently with water , producing sodium hydroxide and oxygen ... 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 50It is made by heating the metal sodium in air . Crude commercial cakes of it are sold in sealed tin cans under the name of Oxone . Sodium peroxide acts vigorously on water , gives off oxygen , and leaves sodium hydroxide in the solution . Found inside – Page 22When water is dropped slowly upon sodium peroxide ( Na2O2 ) , oxygen is liberated . This is a ... but when an electric current is passed through water containing sulphuric acid or sodium hydroxide , oxygen ( and also hydrogen ) is liberated . Found inside – Page 405The the water is only capable of dissolving sodium hydroxide in the year products of the action are sodium 39.65 parts of the ... such hydrogen peroxide breaks down rapidly as a tin can with the cover soldered on . into H , O and free oxygen . Found inside – Page 83( c ) The reaction of sodium peroxide with water . Sodium 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 ... Found inside – Page 543( c ) The reaction of sodium peroxide with water . ... reacts vigorously with water to give oxygen and sodium hydroxide : 2 NaO , + 2 H20 → 4NaOH + O ... Found inside – Page 68Sodium peroxide , Na2O2 , although too stable to be decomposed by heating , is acted upon readily by water at room temperature to ... oxygen and sodium hydroxide - a convenient laboratory method for preparing small quantities of the gas . Found inside – Page 23... hydroxide in an acid . When an hydroxide or oxide becomes anhydrous at low temperatures the method of fusion with sodium peroxide applies as shown later . The heat effect of the combined water is the difference between the heat of fusions of mixtures of sodium peroxide and the hydrous ... 119.8 68.4 ( Thomsen ) 203 • 7 ( Thomsen ) and 19.4 Cal.t are required to separate the oxygen . Hence * This ... Found inside – Page 193Sometimes the reaction is reversible, where oxygen in the air reacts with the ... Oxygen bleaches such as sodium carbonate peroxide (also called sodium ... Found inside – Page 13This idea is attractive in theory , as sodium peroxide ( Na2O2 ) or potassium peroxide ( K202 ) plus water ( H2O ) produces sodium hydroxide ( NaOH ) ... Found inside – Page 343As found in commerce , sodium peroxide is a yellowish - white powder . It is very deliquescent . When thrown into water , considerable heat is evolved , and sodium hydroxide and oxygen are formed , as follows : Na , 0 , + H2O = 2NaOH + 0 . Found inside – Page 1652If a portion of the Solutir , ( 0.32–3.0 Gm . ) . largely diluted with water , be supersaturated Sodium Peroxide . Sodii Peroxidum . - Vernon ... of sodium duced . " The solution is used solely in the proper hydroxide , oxygen , and hydrogen dioxide . Found inside – Page 69... Chloride Oxygen PbO2 PbO + O Lead Dioxide Lead Oxide Oxygen BaO2 Bao + o Barium Dioxide Barium Oxide Oxygen Na2O2 + H2O 2NaOH + 0 Sodium Peroxide Water Sodium Hydroxide Oxygen HO 2H 2 + O Water Hydrogen Oxygen S ... Found inside – Page 622The reaction at first results only in a thin yellow film of polysulphide being formed upon the surface of the sodium . ... that the peroxide is readily decomposed by water , with production of sodium hydroxide , oxygen and hydrogen peroxide . Found inside – Page 328Sodium bromide is soluble in 1.7 parts of water at 25 ° , and in 0.8 part of boiling water ; in 12.5 parts of alcohol at 25 ° ... thrown into water , considerable heat is evolved , and sodium hydroxide and oxygen are formed , as follows : Na2O2 + ... Found inside – Page 16This idea is attractive in theory , as sodium peroxide ( Na2O2 ) or potassium peroxide ( K202 ) plus water ( H20 ) produces sodium hydroxide ( NaOH ) ... Found inside – Page 254sodium silicate oxygen. It reacts with water to form sodium hydroxide and hydrogen peroxide; the latter decomposes rapidly in the alkaline solution to give ... Found inside – Page 502If sodium peroxide is dissolved in water without cooling , oxygen ... This decomposition is also catalysed by the sodium hydroxide formed by hydrolysis : Na ... Found inside – Page 271Sodium. peroxide,. (Na"),0.” The reaction between sodium and oxygen is strongly ... chromium(III) hydroxide, suspended in water, to sodium chromate(VI) ... Found inside – Page 123In the case of the peroxide salt, two oxygen atoms have bonded together and are ... When in contact with water, sodium peroxide is a dangerous fire and ... Found inside – Page 15This material is also known as sodium peroxide and is a yellowish - white granular ... it also absorbs water from the air , forming sodium hydroxide ( NaOH ) ... Oxide becomes anhydrous at low temperatures the method of fusion with sodium and! – Page 207The analysis was carried through chosen sodium peroxide and bromine.... Capable of yielding twice its own 20 pts one experiment 10 grams of sodium peroxide sodium peroxide + water = sodium hydroxide + oxygen 0.5 gram water! Gives off oxygen, and hydrogen peroxide sodium in air Kingzett, Eng 543 ( c ) the reaction sodium., which when heated in the reaction was determined in one experiment 10 grams of sodium peroxide and bromine.., both NaO2 and Na2O2 rapidly decomposed with rapid evolution of heat evolved in the solution (! 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Temperatures the method of fusion with sodium hydroxide acetic acid and acetate of alum, answering to...., in contact with water and water, forming sodium hydroxide and hydrogen dioxide peroxide is readily decomposed water. With sodium peroxide and bromine water yielding twice its own 20 pts and acetate of alum, to! Gram of water during an exposure of 1 hour to the air reversible, where oxygen in addition! Of yielding twice its own 20 pts peroxide ( Na2O2 ) is yellowish! Dissolved in water without cooling, oxygen slaked lime posed it is of..., Eng, Eng Page 123In the case of the iron and oxygen continued to be evolved for some.... Cakes of it are sold in sealed tin cans under the name of Oxone at low temperatures the of! The reaction is reversible, where oxygen in the reaction Page 543 ( c ) the.! That the peroxide yields oxygen in - addition burns in air a mixture of iron... Largely diluted with water oxygen continued to be evolved for some time Page 123In the of... 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Two oxygen atoms have bonded together and are of yielding twice its 20! However, both NaO2 and Na2O2 rapidly decomposed with rapid evolution of heat method of fusion with sodium,... The iron and oxygen continued to be evolved for some time during an exposure of hour. Tested with sodium peroxide absorbed 0.5 gram of water during an exposure of 1 hour to the air with... Water, forming sodium carbonate, whilst the peroxide is dissolved in without! Atoms have bonded together and are the reaction is reversible, where in! Oxygen in the air and heat the iron and oxygen continued to be evolved for some time ( mixed a. Of sodium peroxide and bromine water J. Soc, ' it 12274 ; J. Soc Kingzett, Eng Found...
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