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Author Question: If in a lead storage battery the reaction at the cathode is: PbO2(s) + 4 H+(aq) + SO4(aq) + 2 e- ... (Read 81 times)

appyboo

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on: Jul 8, 2021

Question 1

How much tin is required to make a pewter dish if the dish is 85% Sn and weighs 185 g?
◦ 157 g
◦ 218 g
◦ 185 g
◦ 1.59 g
◦ 27.8 g

Question 2

If in a lead storage battery the reaction at the cathode is:
PbO2(s) + 4 H+(aq) + SO4(aq) + 2 e-→ PbSO4(s) + 2 H2O(l)
How many grams of lead sulfate are formed on one plate if 20. A average current occurs for 2.0 minutes? Assume 100% efficiency.
◦ 0.063 g
◦ 0.13 g
◦ 3.8 g
◦ 7.5 g
◦ requires additional information
General Chemistry: Principles and Modern Applications ¦ Petrucci, Herring, Madura, Bissonnette ¦ 11th Edition
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Marked as best answer by appyboo on Jul 8, 2021

prumorgan

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Reply #1 on: Jul 8, 2021
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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appyboo

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Reply 2 on: Jul 8, 2021
Excellent

Viet Thy

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Reply 3 on: Yesterday
Gracias!

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