If an aqueous solution of HNO3 is electrolyzed for 42.00 min at a steady current of 1.55 A, what volume of H2 (g) at 25.0oC and 0.99 atm will be collected at the cathode?
vol H2 (L) = ?
If an aqueous solution of HNO3 is electrolyzed for 42.00 min at a steady current of...
If an aqueous solution of HN03 is electrolyzed for 30.00 min at a steady current of 1.51 A, what volume of H2 (g) at 25.0°C and 0.99 atm will be collected at the cathode? vol H2 (L) Tries 0/45 Submit Answer
If an aqueous solution of HNO3 is electrolyzed for 15.00 min at a steady current of 1.39 A, what volume of H2 (g) at 25.0°C and 1.05 atm will be collected at the cathode? vol H2 (L) = 18.8 The reaction is: 2 H+ (aq) + 2e → H2 (g) Submit Answer Incorrect. Tries 4/45 Previous Tries
rochem IV » Electrochem IV- Problem 3 TimerNotesEvaluate Feedback solution of HNO, is electrolyzed for 19.00 min at a steady current of 1.43 A, what volume of H2 (9) at 25.0°C and 0.99 atm will be collected at the cathode? ol H2 (L) Submit Answer Tries 0/45 Send Post Discussion
Be sure to answer all parts. When an aqueous solution containing gold (III) salt is electrolyzed, metallic gold is deposited at the cathode, and oxygen gas is generated at the anode. (a) If 7.49 g of Au is deposited at the cathode, calculate the volume of O2 generated at 23°C and 740 mmHg. L (b) What is the current used if the electrolytic process took 6.90 h? A
An aqueous Snl, solution is electrolyzed under 1 bar pressure using platinum electrodes. (a) Write the half-reactions predicted to occur at the anode and cathode, based on the standard cell potentials given below. Standard Reduction Potentials (Volts) at 25°C 12(s) +2 — 21'(aq) 0.535 O2(g) + 4 H30* (aq) + 4 —6H20(1) 1.229 2 H20(1) + 2 € H2(g) + 2 OH'(aq) -0.828 Sn²+(aq) +2 € + Sn(s) -0.140 Half-reaction at anode: Half-reaction at cathode: (b) What is the expected...
A 1M aqueous solution of copper(II) nitrate is electrolyzed. What are the predicted products at the anode and cathode? NO2 gas at the anode; copper metal at the cathode NO2 gas at the anode; H2 gas at the cathode N2 gas at the anode; copper metal at the cathode O2 gas at the anode; copper metal at the cathode O2 gas at the anode; H2 gas at the cathode
A 1M aqueous solution of copper(II) nitrate is electrolyzed. What are the predicted products at the anode and cathode? NO2 gas at the anode; copper metal at the cathode NO2 gas at the anode; H2 gas at the cathode N2 gas at the anode; copper metal at the cathode O2 gas at the anode; copper metal at the cathode O2 gas at the anode; H2 gas at the cathode
Be sure to answer all parts. When an aqueous solution containing gold (III) salt is electrolyzed, metallic gold is deposited at the cathode, and oxygen gas is generated at the anode. (a) If 6.05 g of Au is deposited at the cathode, calculate the volume of 02 generated at 23°C and 752 mmHg. (b) What is the current used if the electrolytic process took 4.30 h?
5- An aqueous Ti(NO3)3 solution was electrolyzed for 45 min to deposit 6.18 grams of Titanium. What is the constant current (in Amps) used in this electrolysis? (molar mass of Ti = 47.87 g/mol, Faraday Cte = 96,485 C/mole e")
at 20 degree Celsius an aqueous solution of HNO3 that is 35.0% HNO3 by mass has a density of 1.21g/mL A). how many grams of HNO3 are present in 2.73 L of this solution? B.) what is the volume of this solution will contain 502 g HNO3?