tashkentskiy farmatsevticheskiy institut

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tashkentskiy farmatsevticheskiy institut kafedra: analiticheskoy, neorganicheskoy i fizicheskoy i kolloidnoy ximii samostoyatelnaya rabota tema: elementi 1 v podgruppi “med, serebro i zoloto” vipolnil: bekchanov a. proveril: aminov s.n. tashkent -2014 zadacha №1 soedinili dva splava s soderjaniem medi 40% i 60% i poluchili splav soderjashiy 45% medi. naydite otnoshenie massi splava s 40%-nim soderjaniem medi k masse s 60%-nim soderjaniem medi. zadacha №2 soedinili dva splava s soderjaniem medi 40% i 60% i poluchili splav soderjashiy 45% medi. naydite otnoshenie massi splava s 40%-nim soderjaniem medi k masse s 60%-nim soderjaniem medi. zadacha №3 imeetsya 2 splava. perviy splav soderjit 20% serebra , vtoroy - 35%.iz etix dvux splavov poluchili tretiy splav massoy 30 kg , soderjashiy 30% serebra. na skolko kilogrammov massa pervogo splava menshe massi vtorogo? zadacha №4 imeyutsya dva splava, v odnom iz kotorix soderjitsya 30%, a v drugom – 50% zolota. skolko kg vtorogo splava nujno …

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o” 1. su + o2 + s02 + n20 = ….. 2. cu + hno3 (konts.)= … 3. cucl2 + kcn = …. 4. cucl2 + nh3 + n20 = …. 5. su(on)2+ nh3 = …. 6. cu(oh)2 + naoh = … 7. ag + 2h2s + o2 = …. 8. ag + nacn + o2 + h2o = … 9. ag + h2so4 (konts.)= …. 10. ag +hno3 (konts.)= …. 11. ag2o + n2o2 = … 12. ag2o + nh4oh = … 13. au + i2 + ki = …. 14. au + hno3 + hcl = … 15. au + nacn + h2o + o2 = … 16. au + 2naoh + nano3 = … 17. au + mncl4 = … 18. au + socl2 = … 19. au + h2seo4 = … 20. au + bao2 = … neorganicheskaya ximiya tema: med, serebro, zoloto 1. v kontsentrirovannoy …

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__________________ 10. ustanovite posledovatelnost uvelicheniya elektroprovodnosti metallov. 1. cu 2. ag 3. au vvedite posledovatelno ukazannie v zadanii nomera metallov bez razdelitelnix znakov. _________________________________ 11. produkti reaktsii au + hcl(konts.) + hno3(konts.) aucl h[aucl4] au(no3)3 h[au(oh)cl3] au(oh)3 no nh4no3 h2o cl2 12. produkti reaktsii cucl2 + k2co3 + h2o kcl cuo cu2(oh)2co3 cuoh cucl3 co2 cuco3 cu(oh)2 koh 13. produkti reaktsii agbr + na2s2o3(izbitok) nabr ag2so4 ag na3[ag(s2o3)2] ag2s2o3 ag2s br2 so2 14. produkti reaktsii cuso4 + ki cus k2so4 cui2 cu cui k2so3 i2 k2s s 15. produkti reaktsii cu(oh)2 + koh + k2s2o8 cuo cuso4 k2so4 cu2o cu2o3 k2s cu s h2o krossvord «metallurgiya» napishite v krossvorde po vertikali nazvaniya metallov tak, chtobi po gorizontali poluchilos slovo «metallurgiya».

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tashkentskiy farmatsevticheskiy institut kafedra: analiticheskoy, neorganicheskoy i fizicheskoy i kolloidnoy ximii samostoyatelnaya rabota tema: elementi 1 v podgruppi “med, serebro i zoloto” vipolnil: bekchanov a. proveril: aminov s.n. tashkent -2014 zadacha №1 soedinili dva splava s soderjaniem medi 40% i 60% i poluchili splav soderjashiy 45% medi. naydite otnoshenie massi splava s 40%-nim soderjaniem medi k masse s 60%-nim soderjaniem medi. zadacha №2 soedinili dva splava s soderjaniem medi 40% i 60% i poluchili splav soderjashiy 45% medi. naydite otnoshenie massi splava s 40%-nim soderjaniem medi k masse s 60%-nim soderjaniem medi. zadacha №3 imeetsya 2 splava. perviy splav soderjit 20% serebra , vtoroy - 35%.iz etix dvux splavov poluchili tretiy splav massoy 30 kg , soderjashiy 30% se...

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