Biomedical Instrumentation Systems
1st Edition
ISBN: 9781133478294
Author: Chatterjee
Publisher: Cengage
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1.a -What happens during the discharge of a lead-acid battery?A. The negative plate forms lead sponge.B. The positive plate reacts with sulfate ions to produce lead sulfate.C. The voltage increases.D. Water is consumed.1.b- A battery being charged at the finishing rate gives positive and negative electrode cadmium readings of2.21 V and -0.18 V respectively. This condition is an indication ofA. problems with both electrodes.B. a problem with the negative electrodes.C. a battery in good condition and fully charg
If you let this battery run for 2 hours at 1.3 amps, what will be the new E for this battery?
Ate Shawol and Concertina performed electrolysis to determine the identity of an unknown metal X. They determined that 2 electrons are involved in the reaction per mole of the unknown metal X. After applying 1.295 A of current for 16.00 hours, 21.59 g of the unknown metal was deposited to the electrode. Help Ate Shawol and Concertina determine the identity of the unknown metal X.
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- A small part with a surface area of 2.62 cm2 is plated with a gold coating that is 5.00104 mm thick. The density of gold is 19.32 g cm-3. What mass of gold is in this coating? If a barrel plating run has 5000 of these parts in a single barrel, how long would the run take if the current was 15.0 A? (Gold is effectively plated from Au+(aq).)arrow_forward*ONLY NEED LETTER D* If you let this battery run for 2 hours at 1.3 amps, what will be the new E for this battery?arrow_forwardAte Shawl and Concertina performed electrolysis to determine the identity of an unknown metal X. They determined that 3 electrons are involved in the reaction per mole of the unknown metal X. After applying 1.495 A of current for 18.00 hours, 17.41 g of the unknown metal was deposited to the electrode. Help Ate Shawl and Concertina determine the identity of the unknown metal X.arrow_forward
- If you made a battery of Zn+2/Zn0 and Cu+2/Cu0 and you have them both in 6.5M solutions that are 1 liter. If I wanted to run this battery at 15.3 amps for 1.3 hours, what would be the new E? How long in hours would you have to run at 15.3 amps to kill the battery?arrow_forwardconcentration battery works or not? make the necessary calculations. (E = 0)arrow_forwardCalculate which battery lasts longer under standard conditions:a. A Zn+2/Zn0 and Cu+2/Cu0 battery run at 2.6 ampsb. A Pb+2/Pb0 and Cu+2/Cu0 battery run at 2.6 ampsShow all work and explain your answer.arrow_forward
- Start with a battery of Au+1/ Au0 and Li+1/ Li0 at standard conditions. If you wanted to lose 2.1 grams of anode during a 3.2 hour time period, calculate the amps that you would need to be running? Calculate the new voltage at that point.arrow_forwardPlease don't copy You are testing a sealed Ni-Cd battery with high C-rate current. When the battery approaches full charge there appears to be an increase in the temperature of the battery and gas leak starts. What is the likely gas leaking from the battery? Type in your answer in words.arrow_forwardE0 Ni2+ +2e− →Ni −0.25VZn2+ +2e− → Zn −0.76V Zn(s)+Ni2+(aq)⇌Zn2+(aq)+Ni(s) This reaction runs a battery.Assume this battery initially contains standard conditions, [Ni2+] and [Zn2+]=1.00M. What will be the voltage of this battery after it runs for a while and 92.8% of [Ni2+] gets used up.arrow_forward
- How long will it take to electrodeposit 2.10 g Cr from 0.504 M Cr2O72- solution if 3.10 A current is passed through the solution? a.) 15082 s B.) 1257 s C.) 7541 s D.) 2338 s E.) 3770 sarrow_forward3. How long will it take to electrodeposit 1.05 g Cr from 0.504 M Cr2O72- solution if 3.10 A current ispassed through the solution?A. 15082 s B. 1257 s C. 7541 s D. 2338 s E. 3770 sarrow_forward1.b- A battery being charged at the finishing rate gives positive and negative electrode cadmium readings of2.21 V and -0.18 V respectively. This condition is an indication ofA. problems with both electrodes.B. a problem with the negative electrodes.C. a battery in good condition and fully chargarrow_forward
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