The maximum number of hydrogen bonds formed by a water molecule in ice is.

 

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What is the temperature at density of water is maximum ?

Why ice floats on water at room temperature ?

Why density of water is greater than ice ?

What is "Nascent" Hydrogen ?

How many gram Cu will deposited by passing 2 Amp for 30 minutes in aq solution of CuSO4. What will be weight of O2 produced at anode?

Related Questions:

(1) A current of 2.68 ampere is passed for one hour through an aqueous solution of copper sulphate using copper electrodes. Calculate the change in the mass cathode and that of anode. ( atomic mass of copper is 63.5 u).

(2) In the electrolysis of aqueous solution of NaOH , 2.8 litre of oxygen at NTP liberated at anode. How much Hydrogen was liberated at cathode ?

(3) On passing 3 faradays of electricity through three electrolytic cells connect in series containing Ag+ , Ca+2 and Al+3 ions respectively , the molar ratio in which three metals ions are liberated at the electrode is

(4) How many grams of silver could be plated out on a serving tray by electrolysis of solution containing silver in +1 oxidation state for a period of 8 hours. At a current of 8.46 ampere? What is the area of tray if the thickness of silver plating is 0.00254 cm. density of silver is 10.5 gm cc.

(5) A current of 3 ampere passed for 2 hours through a solution of CuSO4 3 gm of Cu2+ ions were discharged at cathode calculate the current efficiency.

(6) What current strength ampere will be require to liberate 10 gm chlorine from sodium chloride solution in one hour?

(7) Ag is electrodeposited on a vessel of total surface area 800 cm2 by passing current of 0.2 A for 3 hrs. Calculate thickness of Ag deposited. (Density Ag = 9.67 g/ml).

(8) 0.5 faraday of electricity was passed to deposit all the copper present in 500 ml of CuSO4 solution. What was the Molarity of this solution?

(9) How long has a current of 3 ampere to be applied through a solution of silver nitrate to coat a metal surface of 80 cm2 with 0.005 cm thick layer density of silver is 10.5g/cm3.

(10) 1 M aqueous solution of NaCl undergo electrolysis if 50 mA current is passed for 12 hours assume current efficiency is 25%. The total volume of gas produced at standard state is. NaCl (aq) solution undergoes electrolysis as:

(11) Zn amalgam is prepared by electrolysis of aqueous ZnCl2 using 9 gram Hg cathode. How much current is to be passed through ZnCl2 solution for 1000 seconds to prepare of Zn amalgam with 20% weight? (Atomic wt, Zn = 65.4 g)

(12) During electro refining of Cu how much time is needed to produce 250g Cu on the cathode if the current is kept at 11 A?

(12) Find the Volume of gas evolved by passing 0.965 Amp current for 1 hour through an aqueous solution CH3COONa at 250c and 1 atm?

Find the Volume of gas evolved by passing 0.965 Amp current for 1 hour through an aqueous solution CH3COONa at 250c and 1 atm?

Related Questions:

(1) A current of 2.68 ampere is passed for one hour through an aqueous solution of copper sulphate using copper electrodes. Calculate the change in the mass cathode and that of anode. ( atomic mass of copper is 63.5 u).

(2) In the electrolysis of aqueous solution of NaOH , 2.8 litre of oxygen at NTP liberated at anode. How much Hydrogen was liberated at cathode ?

(3) On passing 3 faradays of electricity through three electrolytic cells connect in series containing Ag+ , Ca+2 and Al+3 ions respectively , the molar ratio in which three metals ions are liberated at the electrode is

(4) How many grams of silver could be plated out on a serving tray by electrolysis of solution containing silver in +1 oxidation state for a period of 8 hours. At a current of 8.46 ampere? What is the area of tray if the thickness of silver plating is 0.00254 cm. density of silver is 10.5 gm cc.

(5) A current of 3 ampere passed for 2 hours through a solution of CuSO4 3 gm of Cu2+ ions were discharged at cathode calculate the current efficiency.

(6) What current strength ampere will be require to liberate 10 gm chlorine from sodium chloride solution in one hour?

(7) Ag is electrodeposited on a vessel of total surface area 800 cm2 by passing current of 0.2 A for 3 hrs. Calculate thickness of Ag deposited. (Density Ag = 9.67 g/ml).

(8) 0.5 faraday of electricity was passed to deposit all the copper present in 500 ml of CuSO4 solution. What was the Molarity of this solution?

(9) How long has a current of 3 ampere to be applied through a solution of silver nitrate to coat a metal surface of 80 cm2 with 0.005 cm thick layer density of silver is 10.5g/cm3.

(10) 1 M aqueous solution of NaCl undergo electrolysis if 50 mA current is passed for 12 hours assume current efficiency is 25%. The total volume of gas produced at standard state is. NaCl (aq) solution undergoes electrolysis as:

(11) Zn amalgam is prepared by electrolysis of aqueous ZnCl2 using 9 gram Hg cathode. How much current is to be passed through ZnCl2 solution for 1000 seconds to prepare of Zn amalgam with 20% weight? (Atomic wt, Zn = 65.4 g)

(12) During electro refining of Cu how much time is needed to produce 250g Cu on the cathode if the current is kept at 11 A?

During electro refining of Cu how much time is needed to produce 250g Cu on the cathode if the current is kept at 11 A?

Given that current (i) = 11 A = 11 cycle/second

Number of moles of copper deposited on cathode is 

Related Questions:

(1) A current of 2.68 ampere is passed for one hour through an aqueous solution of copper sulphate using copper electrodes. Calculate the change in the mass cathode and that of anode. ( atomic mass of copper is 63.5 u).

(2) In the electrolysis of aqueous solution of NaOH , 2.8 litre of oxygen at NTP liberated at anode. How much Hydrogen was liberated at cathode ?

(3) On passing 3 faradays of electricity through three electrolytic cells connect in series containing Ag+ , Ca+2 and Al+3 ions respectively , the molar ratio in which three metals ions are liberated at the electrode is

(4) How many grams of silver could be plated out on a serving tray by electrolysis of solution containing silver in +1 oxidation state for a period of 8 hours. At a current of 8.46 ampere? What is the area of tray if the thickness of silver plating is 0.00254 cm. density of silver is 10.5 gm cc.

(5) A current of 3 ampere passed for 2 hours through a solution of CuSO4 3 gm of Cu2+ ions were discharged at cathode calculate the current efficiency.

(6) What current strength ampere will be require to liberate 10 gm chlorine from sodium chloride solution in one hour?

(7) Ag is electrodeposited on a vessel of total surface area 800 cm2 by passing current of 0.2 A for 3 hrs. Calculate thickness of Ag deposited. (Density Ag = 9.67 g/ml).

(8) 0.5 faraday of electricity was passed to deposit all the copper present in 500 ml of CuSO4 solution. What was the Molarity of this solution?

(9) How long has a current of 3 ampere to be applied through a solution of silver nitrate to coat a metal surface of 80 cm2 with 0.005 cm thick layer density of silver is 10.5g/cm3.

(10) 1 M aqueous solution of NaCl undergo electrolysis if 50 mA current is passed for 12 hours assume current efficiency is 25%. The total volume of gas produced at standard state is. NaCl (aq) solution undergoes electrolysis as:

(11) Zn amalgam is prepared by electrolysis of aqueous ZnCl2 using 9 gram Hg cathode. How much current is to be passed through ZnCl2 solution for 1000 seconds to prepare of Zn amalgam with 20% weight? (Atomic wt, Zn = 65.4 g)

Zn amalgam is prepared by electrolysis of aqueous ZnCl2 using 9 gram Hg cathode. How much current is to be passed through ZnCl2 solution for 1000 seconds to prepare of Zn amalgam with 20% weight? (Atomic wt, Zn = 65.4 g)

 Let “x “gram of Zn deposited on 9 gm of Hg:

Related Questions:

(1) A current of 2.68 ampere is passed for one hour through an aqueous solution of copper sulphate using copper electrodes. Calculate the change in the mass cathode and that of anode. ( atomic mass of copper is 63.5 u).

(2) In the electrolysis of aqueous solution of NaOH , 2.8 litre of oxygen at NTP liberated at anode. How much Hydrogen was liberated at cathode ?

(3) On passing 3 faradays of electricity through three electrolytic cells connect in series containing Ag+ , Ca+2 and Al+3 ions respectively , the molar ratio in which three metals ions are liberated at the electrode is

(4) How many grams of silver could be plated out on a serving tray by electrolysis of solution containing silver in +1 oxidation state for a period of 8 hours. At a current of 8.46 ampere? What is the area of tray if the thickness of silver plating is 0.00254 cm. density of silver is 10.5 gm cc.

(5) A current of 3 ampere passed for 2 hours through a solution of CuSO4 3 gm of Cu2+ ions were discharged at cathode calculate the current efficiency.

(6) What current strength ampere will be require to liberate 10 gm chlorine from sodium chloride solution in one hour?

(7) Ag is electrodeposited on a vessel of total surface area 800 cm2 by passing current of 0.2 A for 3 hrs. Calculate thickness of Ag deposited. (Density Ag = 9.67 g/ml).

(8) 0.5 faraday of electricity was passed to deposit all the copper present in 500 ml of CuSO4 solution. What was the Molarity of this solution?

(9) How long has a current of 3 ampere to be applied through a solution of silver nitrate to coat a metal surface of 80 cm2 with 0.005 cm thick layer density of silver is 10.5g/cm3.

(10) 1 M aqueous solution of NaCl undergo electrolysis if 50 mA current is passed for 12 hours assume current efficiency is 25%. The total volume of gas produced at standard state is. NaCl (aq) solution undergoes electrolysis as: