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- Define and e xplain the differences between the following terms. a. law and theory b. theory and experiment c. qualitative and quantitative d. hypothesis and theory+2 Pb Thallium Lead 200.592 2818 32 182 1832 18 1 204.383 207.2 28 18 32 10 2818 32 18 3 111 112 +2 Mt Ds Hassium Meitnerium Darm (264] 32 32 122 2818 32 32 13 2 28 18 32 32 [269] 59 15. NaOH Ba(NO), (1)balanced eanation (10101lm介 10nice (6) Total mot ianic eanation (d)net lonic eqnoition14.NH&F 15.CaCO3 16. NİPO. 17.LizSO3 18. ZnsP2 19. Sr(C2H3O2)z 20. Cu20 21.AgaPO4 22. YCIO3 23. SnS2 24. Ti(CN)4 25. KMNO4 26. PbaN2 27. COCO3 28. CDSO3 29. Cu(NO2)2 30. Fe(HCOз)2 31. NaBr 32. Ca(C2H3O2) 33. P2Оs 34. Ti(SO4)2 35. FEPO4 36. K3N 37, SO2 38.CUOH 39.Zn(NO2)2 10.V2S3 Scanned with CamScanner op
- CHSLI N' CI NH2 +. CH;CH,CH,Br + C,H5Ñ=N - H. 1. NH2 2. CH3CH2CH2B. N' CH3 1. Mg/Et20 2. CO2 3. НСі Brh Oxidation: Cr2+ → Cr³+ + e Reduction: Cu²+ + 2 e¯ → Cu Net: 2 Cr²+ + Cu²+ What is the standard potential, Eºnet ? Standard Reduction Potentials Eº net Reduction Half-Reaction E° (V) Co³+ + e- → Co²+ 1.82 Au³ + + 3e- → Au(s) 1.50 Pd²+ + 2 e- → Pd 0.987 Ag++ e- → Ag(s) 0.80 Fe³+ + e- → Fe²+ 0.771 → Cu(s) 0.52 → Cu(s) 0.337 → Cut 0.153 → H₂(g) 0.00 → Sn(s) -0.14 Cu++ e- Cu²++2 e- Cu²++ e- 2H+ + 2 e- Sn²+ + 2 e- Co²+ +2 e- Cr³++ e- Fe²+ +2 e- Cr³+ +3 e- Zn²++ 2 e- A1³+ + 3 e- → Cu + 2 Cr³+ = V →Co(s) -0.28 → Cr²+ -0.41 → Fe(s) -0.44 → Cr(s) -0.74 → Zn(s) -0.763 →Al(s) -1.66Br- + CI CI CI AICI3 1. AICI 3 2. MeMgBr
- 1._C,H + 0, > CO H,O 2. Ca,(PO.),(OH). + H,POla + Ca(H,PO), H,O, 3. C.H,Os + CO.e + NH,NO > _N H,0 +8. Fill in the following boxes. . HO. heat HO. SOC2 NaN3 1. he t 2. H2C 2 Mel +111 122 20. 1Sb + on 51Sb + 121 21. 214Pb -je + 62 н + 29 Cu 22. 8Си + н -> 23. 14N + -> He 24. gLi + Н 241 AM He + -> Np + 237 25. 95 He 93 26. н + н He + 27. si + iD 29 14Si 28. Ве + зНе Li + 29. Co + ón 60 2Co 40 -> 184r 31. 14N + ЕНе H + -> 32. 18F 180 + ge 33. 2Ве + зНе 13C + 239 9i Pa -> 34. 239U -> -je 32 15 241NP 93 35. S + on 16 H + 36. 239Ри + 2Jn -je + 237 37. 89АС 237 je +
- . C. 5. .. 6. . S. .. .. _H3PO4 + КОН → K+ _B₂O3 → HCI + NaOH → C + S8→ Na + _O₂ → NaOH + _C6H6 + _N₂ +. KOH + HBr → _AI(OH)3 + Rb + Li + _C10H22 + _AI(OH)3 + NHẠCH+ Rb + — RbNO3 → _O₂ → _H₂ → _H₂CO3 → _NH3 + _FeS₂ + CH4 + _CA3(PO4)2 + _O₂ → _H₂O → BALANCING EQUATIONS WORKSHEET CS₂ KBr + _H₂O _H₂CO3 → _Al2(CO3)3 + S8 → O₂ → K₂O + B O₂ → HBr → O₂ → Na₂O _H3PO4 → NH3 _K3PO4 + _H₂O NaCl + _H₂O _CO₂ + _Na₂CO3 + _H₂O RbO₂ + _N₂ CO₂ + SIO₂ + Rb₂S _N₂ + LIOH + _H₂O AlBr3 + _H₂O _H₂O (NH4)3PO4 + _H₂O H₂ _H₂O _Fe₂O3 + _CO₂ + _H₂O C → SO₂ _H₂O CaSiO3 + CO + PX + ce/acellus_engine.html?ClassID=112101524 What is the estimated average atomic mass for this element? A. less than 86 amu C. exactly 88 amu D BI nternational Academy of Science. All Rights Reserved. Relative Abundance 100₁ 50- Unknown Element 81 83 85 87 89 Mass (M/e) B. 87-88 amu D. more than 88 amu EnterCrO3 HO H,O* он 1. DMSO, CI 2. Et,Cl