Calculate the % NH3 when given the following data: 0.3025 g of starting material (cobalt compound),...
Calculate the % NH3 when given the following data:
0.3025 g of starting material (cobalt compound), 21.79 mL of 0.275
M HCl used to neutralize compound. M.W. of NH3 is 17 g/mol.
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Calculate the % NH3 when given the following data:
0.3025 g of starting material (cobalt compound),...
i added a,b,c just incase you need it i just need help with d-f A student...
i added a,b,c just incase you need it
i just need help with d-f
A student prepared 7.2 g of Co,(NH3),Cl . She then analyzed the compound to find the values of x, y, and z. In the gravimetric determination of chloride, she weighed out a 0.2988 g sample of the product compound and reacted it with AgNO3. The following data were obtained: Mass of crucible plus AgCl 19.0020 g Mass of crucible 18.4628 g a. Calculate the mass of...
Calculate the ΔH0 for the following reaction: NH4Cl(s) → NH3(g) + HCl(g) Given the following standard...
Calculate the ΔH0 for the following reaction: NH4Cl(s) → NH3(g) + HCl(g) Given the following standard enthalpies of formation ΔHf0 (298 K, 1 atm) NH3(g) -46.2 kJ mol-1 ; HCl(g) -92.3 kJ mol-1 ; NH4Cl(s) -315.0 kJ mol-1
Consider the reaction: NH3 (g) + HCl (g) → NH4Cl (s) Given the following table of...
Consider the reaction: NH3 (g) + HCl (g) → NH4Cl (s) Given the following table of thermodynamic data at 298 K: Substance! AH/M/mol) I s。(J/K-mol) NH3 g) HCI (g) NHCI)-3144 -46.19 -92.30 192.5 186.69 94.6 The value of K for the reaction at 25 °c is
4. Calculate the percent ionization and pH of the following solutions: a. 0.175 M NH3 Kg...
4. Calculate the percent ionization and pH of the following solutions: a. 0.175 M NH3 Kg = 1.8 x 10-5. b. 35.0 mL of 0.175 M NH3 is mixed with 15.0 mL of 0.10 M HCl. c. 50.0 mL of 0.275 M acetic acid is mixed with 100. mL of 0.100 M HCl. d. The equivalence point of a 50.0 mL solution of 0.120 M acetic acid titrated by 0.100 M NaOH.
Calculate the molalities of some commercial reagents from the following data: (Assume 100 g of solution.)...
Calculate the molalities of some commercial reagents from the following data: (Assume 100 g of solution.) Data HCl(aq) NH3(aq) Formula weight (g/mol) 36.465 17.03 Density of solution (g/mL) 1.19 0.90 Weight % 30.2 26.4 Molarity 11.3 14.4 Molality of HCl(aq) Molality of NH3(aq)
How to solve for the cobalt concentration [Co]= __M and percentage in Co coordination compound and...
How to solve for the cobalt concentration [Co]= __M and
percentage in Co coordination compound and (v)
(1) In Co-analysis lab a sample of the cobalt compound weighing 1.1427 gram was heated until color change occurred followed by the addition of 10.0 mL of water, and 1.0 mL of sulfuric acid. The solution was transferred quantitatively to a 100.00 mL Volumetric flask, shaken and filled to the mark with water. A sample of this solution gave a percent transmittance reading...
Consider the reaction HCl(g)NH3(g)>NH4C1(s) Using standard thermodynamic data at 298K, calculate the entropy change for the...
Consider the reaction HCl(g)NH3(g)>NH4C1(s) Using standard thermodynamic data at 298K, calculate the entropy change for the surroundings when 2.45 moles of HCl(g) react at standard conditions. ASO surroundings J/K
Consider the reaction HCl(g)NH3(g)>NH4C1(s) Using standard thermodynamic data at 298K, calculate the entropy change for the surroundings when 2.45 moles of HCl(g) react at standard conditions. ASO surroundings J/K
Please plan a synthesis for the following compound from the given starting material. Any reagent/solvent can...
Please plan a synthesis for the following compound from the given starting material. Any reagent/solvent can be used.
Calorimetry 1. Consider the following data: 4.99 g g 50 g 24 C 38.7 °C 111.1...
Calorimetry 1. Consider the following data: 4.99 g g 50 g 24 C 38.7 °C 111.1 g/mol Mass of CaCl Mass of Water Intial Temperature Final Temeprature Molar Mass of CaCl2 (a) Calculate the heat of solution. (AH) Assume that the specific heat of the solution is the same as water, 4.184 J/g- C and that no heat is gained or lost by the cup. (4 pts) (b) Calculate the number of moles of CaCl2. (3 pts) (c) Calculate the...
Suggest a reasonable synthesis for the following compound using the given starting material and anything else...
Suggest a reasonable synthesis for the following compound using
the given starting material and anything else you need.
Question 3 (9 points) Suggest a reasonable synthesis for the following compound using the given starting material and anything else you need. (Hint: Show the intermediates, not only the conditions, for partial credit) ОН several steps
i added a,b,c just incase you need it
i just need help with d-f
A student prepared 7.2 g of Co,(NH3),Cl . She then analyzed the compound to find the values of x, y, and z. In the gravimetric determination of chloride, she weighed out a 0.2988 g sample of the product compound and reacted it with AgNO3. The following data were obtained: Mass of crucible plus AgCl 19.0020 g Mass of crucible 18.4628 g a. Calculate the mass of...
Consider the reaction: NH3 (g) + HCl (g) → NH4Cl (s) Given the following table of thermodynamic data at 298 K: Substance! AH/M/mol) I s。(J/K-mol) NH3 g) HCI (g) NHCI)-3144 -46.19 -92.30 192.5 186.69 94.6 The value of K for the reaction at 25 °c is
4. Calculate the percent ionization and pH of the following solutions: a. 0.175 M NH3 Kg = 1.8 x 10-5. b. 35.0 mL of 0.175 M NH3 is mixed with 15.0 mL of 0.10 M HCl. c. 50.0 mL of 0.275 M acetic acid is mixed with 100. mL of 0.100 M HCl. d. The equivalence point of a 50.0 mL solution of 0.120 M acetic acid titrated by 0.100 M NaOH.
How to solve for the cobalt concentration [Co]= __M and
percentage in Co coordination compound and (v)
(1) In Co-analysis lab a sample of the cobalt compound weighing 1.1427 gram was heated until color change occurred followed by the addition of 10.0 mL of water, and 1.0 mL of sulfuric acid. The solution was transferred quantitatively to a 100.00 mL Volumetric flask, shaken and filled to the mark with water. A sample of this solution gave a percent transmittance reading...
Consider the reaction HCl(g)NH3(g)>NH4C1(s) Using standard thermodynamic data at 298K, calculate the entropy change for the surroundings when 2.45 moles of HCl(g) react at standard conditions. ASO surroundings J/K
Consider the reaction HCl(g)NH3(g)>NH4C1(s) Using standard thermodynamic data at 298K, calculate the entropy change for the surroundings when 2.45 moles of HCl(g) react at standard conditions. ASO surroundings J/K
Please plan a synthesis for the following compound from the given starting material. Any reagent/solvent can be used.
Calorimetry 1. Consider the following data: 4.99 g g 50 g 24 C 38.7 °C 111.1 g/mol Mass of CaCl Mass of Water Intial Temperature Final Temeprature Molar Mass of CaCl2 (a) Calculate the heat of solution. (AH) Assume that the specific heat of the solution is the same as water, 4.184 J/g- C and that no heat is gained or lost by the cup. (4 pts) (b) Calculate the number of moles of CaCl2. (3 pts) (c) Calculate the...
Suggest a reasonable synthesis for the following compound using
the given starting material and anything else you need.
Question 3 (9 points) Suggest a reasonable synthesis for the following compound using the given starting material and anything else you need. (Hint: Show the intermediates, not only the conditions, for partial credit) ОН several steps
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