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Question- A 4.0 mL of 6.00 M FE(NO3)3(aq) are mixed with 60.0 mL of 4.00 M KSCN (aq). The equilibrium molar concentration of FeSCN2+(aq) in the resulting solution is 2.29 M Calculate the (a) initial molar concentration of FE 3+ after mixing (b) initial molar concentration of SCN- after mixing (c)equilibrium molar concentration of Fe3+ (d) Equilibrium molar concentration of SCN- (d) Value of k f
decomposition of N2O5 to NO2 and O2 at 70 degree celsius is 6.82 x 10^-3 s-1. Suppose we start with 0.300 mol of N2O5(g) in a .500L container. How many minutes will it take for the quantity of N2O5 to drop to .030 moles?
While reasonably dilute HCl and AgNO3 solutions are mixed a white AgCl precipitate forms with some heat evolving. When a Na2S2O3 solution is added to this reaction mixture the white precipitate disappears upon stirring.
draw the structure or structures of ALL the carbocations that could potentially form from the alkenes, and 3) label each carbocation as primary, secondary, or tertiary.
What volume of 0.50 M HNO2 and 0.50 M NaNO2 must be mixed to prepare 1.00 L of a buffered solution at a pH of 3.50? Present answer in mL units and use 4 significant figures.
What is the maximum amount of aluminum sulfate that can be formed?
Using the Nernst equation calculate the cell voltage for: Fe(s) + Cd2+(aq) ? Fe2+(aq) + Cd(s) when the [Fe2+] = 0.17 M and [Cd2+] = 1.1 M. Potentially useful information: Fe2+ + 2e
Utilizing data for the crustal abundance of elements compute the chemical concentration factor for lead. Explain what might the reason for a value such as you have obtained
Estimate the temperature at which calcium carbonate is likely to decomp under 1atm of pressure. Reaction: CaCO3(s) -> CaO(s) + CO2 (g) For this rxn: dHstandard = 177.8 kJ and dS standard= 160.5 J/K (notice unit differences)
Which of the following series would have the highest pH. A) 1 M H2S B) 0.1 M H2S C) 1 M HNO2 D) 0.1 M HNO2
What is the partial pressure of H2O in the compressed gas mixture? (See this table.) torr (b) What mass of water vapor condenses to liquid g
1040 Carbon steel is a medium carbon steel. Determine the applied stress at failure for a crack of length 5mm using the following equation with Y=1. Compare your results with the yield strength and tensile strength; comment on your results. Repeat..
Next, you add 1.00 mL of 7.01 × 10-5 M lidocaine to this mixture Denoting lidocaine as L, calculate the fraction of lidocaine present in the form LH .MOPS Buffer Ka = 6.3 × 10-8. Lidocaine Kb = 8.7 × 10-7, calculate the fraction of lidocaine prese..
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