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- A white solid is either Pb(NO3)2 or Zn(NO3)2. If an aqueous solution is prepared, which reagent will allow you to distinguish between the two compounds? O KBr O LINO3 Ο ΗΝΟ O CH3CO2H O NH4CIO4I2 (aq) + CH3COCH3 (aq) HI (aq) + ICH2COCH3 (aq)Iodine in solution has a yellow-brown color, whereas the acetone and both products are colorless. This means that we can run the reaction using iodine as the limiting reagent, and when we see that the yellow-brown color of the iodine has disappeared, we know that the reaction has stopped and all of the iodine has been consumed. Recall that to calculate a rate of reaction, we would like toknow the change in concentration of a reactant or product during a fixed amount of time. Wewill choose the reactant iodine in this case, because its brown color allows us to determinewhen its concentration has fallen to zero. Rate = –Δ[I2] / Δt = – ([I2]final – [I2]initial) / ([tfinal – tinitial) = – (0 – [I2]initial) / (tfinal – 0) = [I2]initial / tfinal Run several trials at different concentrations of reactants and use themethod of initial rates to obtain values for k, x, y, and z in the rate law. Rate = k [I2]x [acetone]y [H+]z Run the…I2 (aq) + CH3COCH3 (aq) HI (aq) + ICH2COCH3 (aq)Iodine in solution has a yellow-brown color, whereas the acetone and both products are colorless. This means that we can run the reaction using iodine as the limiting reagent, and when we see that the yellow-brown color of the iodine has disappeared, we know that the reaction has stopped and all of the iodine has been consumed. Recall that to calculate a rate of reaction, we would like toknow the change in concentration of a reactant or product during a fixed amount of time. Wewill choose the reactant iodine in this case, because its brown color allows us to determinewhen its concentration has fallen to zero. Rate = –Δ[I2] / Δt = – ([I2]final – [I2]initial) / ([tfinal – tinitial) = – (0 – [I2]initial) / (tfinal – 0) = [I2]initial / tfinal Run several trials at different concentrations of reactants and use themethod of initial rates to obtain values for k, x, y, and z in the rate law. Rate = k [I2]x [acetone]y [H+]z Run the…
- In the following equation: HNO2+ NaHCO3 (yields) NaNO2+H2O+CO2 Why does this result in water and CO2 instead of H2CO3?Classify the following reaction in as many waydal as possible S8+8O2 8SO2Calculate the equilibrium constant, Kc, of the reaction: HCO3-(aq) + HCO3-(aq) ↔ H2CO3(aq) + CO32- , Kc = ? Based on your result, do you expect this reaction to occur in the left-to-right direction?
- The dichromate ion Cr2 O722 and chromate ionCrO422 exist in equilibrium, like this:Cr2O722 (aq) 1 H2O ( l ) 2CrO422 (aq) 1 2H1 (aq)orange yellowa What would you see if you added dilute acid toa solution containing chromate ions?b How would you reverse the change?3. What would you expect to occur in the following reactions? a) b) H₂SO4, H₂O H₂SO4, H₂O 43HCl (excess) H₂O₂
- I want to synthesize the following compound Ai perform retrosynthetic analysis and propose a to construct a combon skeleton using the fours compounds shown on the right as as starting Synthetic route starting materials.Given the following reaction, which occurs in acid solution: CH3CH2OH(l) + Cr2O72-(aq) -> CH3COOH(aq) + Cr3+(aq) Balance this equation using the half equation method.Identify the following reaction 3 Ca(OH)2 + Al2(SO4)3-3 CasO4+ 2 Al(OH)3