mercury in both tubes. Based on the change of in the level of mercury in the figure, which reaction must have occurred? Explain. a) 2NaN3(s)à  2Na(s) +3N2(g) b) Cl2 (g) + 2Br-(aq)à Br2(aq) + 2Cl-(aq) c) C2H6(g) à C2H4(g) + H2(g) d) H2(g) + I2(g) à 2HI(g)

Which particle will conplete this reaction

S Eduphoria → CX Science Chemistry 4th NW DCA 22-23 | W COLOR THEME 13. Several JASON learning ambassadors for Aldine ISD recorded a demonstration for the students. They mixed two chemicals together and produced a 'golden rain'. The equation for the reaction is: KI + Pb(NO3)2 → KNO3 + PbI₂ The golden substance (image below) was found to be insoluble in water. Which of the following compounds is the precipitate? Q Q ZOOM < PREVIOUS 3 e d 8 C 9 10 t Oro 11 12 Oll y O 13 hp U O O O KNO3 CLEAR ALL ΚΙ O PbI₂ Answered 14 Pb(NC 15

If this item does not open automatically you can open Data Sheet here = 106106334 Part I. Reaction of Fe³+ and SCN™ Test tube A B C 5 Adding NH3 (aq) 1/1 Action performed Experiment 15 Chemical Equilibrium and Le Châtelier's Principle Adding Fe(NO3)3 (aq) Adding NaSCN (aq) Adding NaNO3(aq) Part II. Reaction of Cu²+ and aqueous NH3 Action performed Mixing CuSO4 and NH3 (aq). Oll y 31 88% + Data Sheet Observations Observations. DELL العال[ O : * 8 CH127 Introductory General Chemistry Laboratory Conclusion Conclusion O Dec 18 8:09 2 3 Р