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- Gold is produced electrochemically from an aqueous solution of Au(CN)2 containing an excess of CN. Gold metal and oxygen gas are produced at the electrodes. What amount (moles) of O2 will be produced during the production of 1.00 mole of gold?Oo.78. Subject :- Chemistyhyrw 2o nsn hyapsn sem St.) Calcium oxide is sometimes very challenging to etare n the Oumistry labrortory.This compound reacts with moisture in the air and is converted to calcium hydcokide. If a bottle of calcium oxide i8 left on the ehelf too long, it grodually absorbs moisture from the humidity in the laboratory. Eventually th bottle cracks and spills the colcium hydrokide that hus been produced. WrHhe the unbalancaed chemical equaher for this process. 33.) The clement tin often occurs in nature as the oxide, Sn b produce pure tin metal from this sort of tin oe, the ore Gtmol rom the usually is heated with coal Carbon) This produies pure
- (6) total lonio al 1unio eanATion (C) ne t lonio componnd 24. NH4OH Co(NO,)2 (a) balancedeauation (b) total lonlceauation ccl net lonic eauationCalculate the number of photons in 10° L of radiation in a thermal equilibrium at 500 K. (A) 2.52 x 10 photons (B) 2.52 x 100 photons (C) 4.34x105 photons (D) 4.34x1020 photons0 Cals) + NAC lag) – O White the balanced molecular chemical equation for the reachion f Solid lithium with aqueo us Chromium (111) acetat: 4 no iea chun occurs, write UR. Idaite a balanced molecular Chemical equahion for the Solia Sodium with aqueous Zinc perchlorite . 7 no geaction ccuns,
- (i) кон ČI (ii) CH;CO2H (ii) OOCH,CH3 'Br DMFAtoms in Element 1 Atoms in Element 2 Atoms in Element 3 Atoms in Element 4 Total Atoms in Molecule Total Elements in Molecule Molecule 2 2H20 4 3CO2 3 6. 9H3PO4 27 36 72 0. 6. 1 20 4 12 20 3. 5Bas(PO4)2 15 10 40 40 105 4 2(NH2S 16 22 4Fes(SOaa 12 12 36 60 3AI(HCO.)a 3 9. 27 48 12 6. 24 42 4 10M9SO. 10 10 40 60 5NaPO. 15 5 20 60 3 7M93(PO4)2 21 14 56 91 8(NH.)PO. 24 96 8 32 160 4 4NaHCO, 4 4 12 9KCIO, 9. 9. 27 45 3 2Ca(CIO.)2 2 4 12 18 3 12Ca (PO4)2 11Ca(NO3)2 7AI(OH). 24Which of the molecules comesponds to IR below? OH OE! CH, OEI HO D. 800 000 2008 1000 NRVENUEt OA A OB. D OC.B O D.F O EC OFE
- 37R37S nL of OilooM ealetum chloride reacts complalely with aques lyer nitrate iuhat s the 143.32 al mol) O.100M eaet (१०७.९ Co९० ) mass of Aa C! precipitale? Caclalag)+2용 ir ㅅㅅ 습앱 H+ 1. DIBALH, -78 2. Ht, H2O 'NH2barkamishen seslb to doing Bittetsbau nA sideT oibore peivab ot etsimodo it as lendas suchombre or to agninnigod adr oldmseen polls anoitoleaimora ni baya Solovi immediabudinng enoitonen Isolmarlo lo coqyt Istoresbout wot ybuta lliw s Croborecho ofnino2s1 ayow ribi of 5) Analysis of 1.618 g of a hydrate salt gave the following information. Iliw Pb: 0.884 g, C: 0.205 g, H: 0.026 g, O: 0.273 g, and water: 0.230 g.o Inters What is the formula of the hydrate. sob a ogrobimu snocheoid bas in botser asce ed with asmolo s nad oson inmoasigaib to savi Inomalo srit 'il bogoo oinai is gaininos nouutos of babbe smogod bis noi si di autosis syneriozs Irw ticodulos ni noi ni nobnice to bilo 25ml produced flash and poppe carolionoriconic lieth noitonen inomossigen sigme yd elas Jabot ovi HA obrtw scale 6 10 enolonias pozemol adi ni ailuas, noitufos at devan gods got abou odregos bazum o obnoldo miuiboa bar otain rovlie to anoituloa asrl W SiT moironen insmoelor siduob a lo loss of an emot…