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Equilibrium Fe 3+ Given the following information what is the concentration of SCN * at equilibrium?...
You are given a solution and are informed that the concentration of the species is [Fe...
You are given a solution and are informed that the concentration of the species is [Fe 3+1 = 1.5 x 10-2 M, [SCN ] = 2.2 x 10 -4 M and Fe(NCS) 2+ = 5,6 x 10-5. Calculate the reaction quotient, Q p. Is the system at equilibrium and if not which way will the reaction proceed? Kc at 25°C is 450. The reaction is: Fe 3+ + SCN = Fe(NCS) 2+ O a. Qp<Kc reaction will go towards products...
Write the expression for the equilibrium constant for the following reaction, Fe+3 (aq) + SCN- (aq)...
Write the expression for the equilibrium constant for the following reaction, Fe+3 (aq) + SCN- (aq) ↔ Fe(SCN) +2 (aq) The slope of the calibration curve of [Fe(SCN)+2] vs absorbance is 3.5 x 104 M-1. Given that the absorbance of the solution prepared using 5.0 mL from 0.002 M Fe+3 and 3.0 mL from 0.002 SCN- is 0.422. Calculate the equilibrium constant for this solution.
Equilibrium Consider the following equilibrium: CH 3COOH(aq) + H 20(1) = CH 3COO "(aq) + H...
Equilibrium Consider the following equilibrium: CH 3COOH(aq) + H 20(1) = CH 3COO "(aq) + H 30 +(aq) What would be the effect of adding sodium acetate (CH 3COONa) a strong electrolyte to the reaction and what would happen to the pH of the solution? a. the equilbrium will shift to the right and the pH will decrease O b. the equilibrium will shift to the left and there will be no change in pH O c. the equilbrium will...
i cant figure out #8 please help. thank you. also if you could help with #6...
i cant figure out #8 please help. thank you.
also if you could help with #6 it would be greatly
appreciated
CALCULATIONS Show all work. 1. Mass of acetic acid, g 19.66g 2. Mass of unknown sample in acetic acid solution.g 2.00 g 3. Generate a cooling curve by plotting temperature vs time data on a single graph Plot on graphing paper or use a computer program and print plot. See Below 4. Freezing point of pure acetic acid solvent...
equilibrium help!! What is the equilibrium constant for the reaction CO(g) + 3 H2(g) - CH4(g)...
equilibrium help!!
What is the equilibrium constant for the reaction CO(g) + 3 H2(g) - CH4(g) + H2O(g) if at 20 °C the equilibrium molar concentrations are [CO] -0.613, [H2] = 1.839, (CH4) = 0.387, and [H20) - 0.387? Format Β Ι Ο The reaction for the formation of the diamine-silver ion is as follows: Ag (aq) + 2NH3(aq) + Ag(NH3)2(aq) a. Write the equilibrium constant expression for this reaction. for the above b. An experiment was carried out to...
The Determination of an Equilibrium Constant Pre-lab Questions equation CV =CV experiment, mol of SCN or...
The Determination of an Equilibrium Constant Pre-lab Questions equation CV =CV experiment, mol of SCN or the solutions that you will prepare in Step 7 of Part I. calculate the (FeSCN1 using the CV CV. Presume that all of the SCN ions react and therefore in Part I of the el mol of SCN=mol of FeSCN. Record these values in the table below and in the dala table for part / Standard solution. Beaker number [FeSCN2) Alo N- 2. Define...
48.64 50. 91 57.94 58.89 Mass of large test tube Mass of test tube with acetic...
48.64 50. 91 57.94 58.89 Mass of large test tube Mass of test tube with acetic acid Mass of test tube + acetic acid + sample Mass of test tube + acetic acid + sample 2 C. Solution 2 C. Solution l Time C, Acetic Acid 57.48 40.3 33. 24.8 17.1 F12.5 9.8 57.2 38.4 24.8 13.2 10.9 G8.0 266 la 5 20.9 16. 6 16.7 14.3 10.0 0 0.5 1.0 1.5 2.0 2.5 5.7 4.2 3.9 3.1 2 2...
The following information is given for antimony at 1 atm: boiling point = 1440 °C Hvap(1440...
The following information is given for antimony
at 1 atm:
boiling point = 1440 °C
Hvap(1440
°C) = 195 kJ/mol
melting point = 631 °C
Hfus(631
°C) = 19.6 kJ/mol
specific heat solid = 0.209 J/g°C
specific heat liquid = 0.259 J/g°C
What is H in kJ for the
process of freezing a 45.3 g sample of liquid
antimony at its normal melting point of
631 °C.
A 25.0 mL volume of 0.0200 M Fe(NO3)3 is mixed with 50.0 mL of 0.00200 M...
A 25.0 mL volume of 0.0200 M Fe(NO3)3 is mixed with 50.0 mL of 0.00200 M NaSCN and 25.0 mL of 0.100 HNO3. The blood-red FeSCN2+ ion forms and the equilibrium is established: Fe3+(aq) + SCN-(aq) <---> FeSCN2+(aq) The equilibrium concentration of FeSCN2+ ([FeSCN2+]) was measured spectrophotometrically and found to be 7.0 x 10-4 mol/L. To calculate the equilibrium constant (Kc) for thr equilibrium system, proceed through the following steps: A. Moles of Fe3+, initial B. Moles of SCN-, initial...
1 What is the equilibrium constant for a reaction at temperature 89.1 °C if the equilibrium...
1 What is the equilibrium constant for a reaction at temperature 89.1 °C if the equilibrium constant at 22.6 °C is 49.93? For this reaction, ΔrH = -21.1 kJ mol-1 . 2 What is the ΔrG° for the following reaction (in kJ mol-1)? C6H12O6(s, glucose) + 6 O2 (g) ⇌6 CO2 (g)+ 6 H2O (l) 3 What is the ΔrG° for the following reaction (in kJ mol-1)? 2 NO2 (g) ⇌N2O4 (g) 4 What is the ΔrG for the following...
You are given a solution and are informed that the concentration of the species is [Fe 3+1 = 1.5 x 10-2 M, [SCN ] = 2.2 x 10 -4 M and Fe(NCS) 2+ = 5,6 x 10-5. Calculate the reaction quotient, Q p. Is the system at equilibrium and if not which way will the reaction proceed? Kc at 25°C is 450. The reaction is: Fe 3+ + SCN = Fe(NCS) 2+ O a. Qp<Kc reaction will go towards products...
Equilibrium Consider the following equilibrium: CH 3COOH(aq) + H 20(1) = CH 3COO "(aq) + H 30 +(aq) What would be the effect of adding sodium acetate (CH 3COONa) a strong electrolyte to the reaction and what would happen to the pH of the solution? a. the equilbrium will shift to the right and the pH will decrease O b. the equilibrium will shift to the left and there will be no change in pH O c. the equilbrium will...
i cant figure out #8 please help. thank you.
also if you could help with #6 it would be greatly
appreciated
CALCULATIONS Show all work. 1. Mass of acetic acid, g 19.66g 2. Mass of unknown sample in acetic acid solution.g 2.00 g 3. Generate a cooling curve by plotting temperature vs time data on a single graph Plot on graphing paper or use a computer program and print plot. See Below 4. Freezing point of pure acetic acid solvent...
equilibrium help!!
What is the equilibrium constant for the reaction CO(g) + 3 H2(g) - CH4(g) + H2O(g) if at 20 °C the equilibrium molar concentrations are [CO] -0.613, [H2] = 1.839, (CH4) = 0.387, and [H20) - 0.387? Format Β Ι Ο The reaction for the formation of the diamine-silver ion is as follows: Ag (aq) + 2NH3(aq) + Ag(NH3)2(aq) a. Write the equilibrium constant expression for this reaction. for the above b. An experiment was carried out to...
The Determination of an Equilibrium Constant Pre-lab Questions equation CV =CV experiment, mol of SCN or the solutions that you will prepare in Step 7 of Part I. calculate the (FeSCN1 using the CV CV. Presume that all of the SCN ions react and therefore in Part I of the el mol of SCN=mol of FeSCN. Record these values in the table below and in the dala table for part / Standard solution. Beaker number [FeSCN2) Alo N- 2. Define...
48.64 50. 91 57.94 58.89 Mass of large test tube Mass of test tube with acetic acid Mass of test tube + acetic acid + sample Mass of test tube + acetic acid + sample 2 C. Solution 2 C. Solution l Time C, Acetic Acid 57.48 40.3 33. 24.8 17.1 F12.5 9.8 57.2 38.4 24.8 13.2 10.9 G8.0 266 la 5 20.9 16. 6 16.7 14.3 10.0 0 0.5 1.0 1.5 2.0 2.5 5.7 4.2 3.9 3.1 2 2...
The following information is given for antimony
at 1 atm:
boiling point = 1440 °C
Hvap(1440
°C) = 195 kJ/mol
melting point = 631 °C
Hfus(631
°C) = 19.6 kJ/mol
specific heat solid = 0.209 J/g°C
specific heat liquid = 0.259 J/g°C
What is H in kJ for the
process of freezing a 45.3 g sample of liquid
antimony at its normal melting point of
631 °C.
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