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What mass of beryllium metal is produced when molten BeF2 is electrolyzed by a current of 7.01 A for 16.2 h?...
What mass of beryllium metal is produced when molten BeF2 is electrolyzed by a current of 7.75 A for 15.8 h? Submit Answer Tries 0/45
What mass of magnesium metal is produced when molten MgF2 is electrolyzed by a current of 6.41 A for 11.9 h?
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
What mass of aluminum metal can be produced per hour in the electrolysis of a molten aluminum salt by a current of 23 A?! Express your answer using two significant figures. 140 AEDROO? Submit Request Answer
What mass of aluminum metal can be produced per hour in the electrolysis of a molten aluminum salt by a current of 26 A? Express your answer using two significant figures.
Now try the following three examples elements formula name beryllium de beryllium+ BeN2 nitrogen The element beryllium is an Alkaline Earth Metal, which loses two electrons (2+) and nitrogen is in Group V which gains three electrons (3-). It will have the ending "ide". silver carbonate silver + AG2CO3 carbon The element silver is a transition metal, with only one stable ionic state. Carbon is in Group IV, which gains four electrons. cadmium(II) hydride cadmium + сан2 hydrogen The element...
Elemental calcium is produced by the electrolysis of molten CaCl2. A) What mass of calcium can be produced by this process if a current of 6600 A is applied for 50 h? Assume that the electrolytic cell is 66 % efficient. Express your answer using two significant figures. *incorrect answer = 8.1 x 10^8 g; 8.6 x 10^8 g B) What is the minimum voltage needed to cause the electrolysis? Express your answer using three significant figures.
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
What mass of gold is produced when 7.20 A of current are passed through a gold solution for 37.0 min ? Express your answer with the appropriate units. t Gold Electroplating 6 of 6 Constants| Periodic Table Part A Metal plating is done by passing current through a metal solution. For example, an item can become gold plated by attaching the item to a power source and submerging it into a Au+ solution. The item itself serves as the cathode,...
The compressor of an air conditioner draws an electric current of 16.2 A when it starts up. If the start-up time is 1.75 s long, then how much electric charge passes through the circuit during this period? Submit Answer Tries 0/99