This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: An iron plate of 0.559 m2 surface area is to be chrome plated using a chromic acid-sulfuric acid ... (Read 88 times)

Bob-Dole

  • Hero Member
  • *****
  • Posts: 547
on: Jul 8, 2021
An iron plate of 0.559 m2 surface area is to be chrome plated using a chromic acid-sulfuric acid plating bath. The anode and cathode half-equations are:

Cathode: Cr2O72-(aq) + 14 H+(aq) + 12 e-→ 2 Cr(s) + 7 H2O(l) E° = 0.320 V
Anode: 2 H2O(l) → O2(g) + 4 H+(aq) + 4 e-E° = 1.229 V

Determine the minimum energy needed to produce a plating 0.115 mm thick on the iron plate. The density of chromium is 7.19 g/cm3.
◦ 526 kJ
◦ 780 kJ
◦ 1.05 × 103 kJ
◦ 4.68 × 103 kJ
◦ 9.36 × 103 kJ
General Chemistry: Principles and Modern Applications ¦ Petrucci, Herring, Madura, Bissonnette ¦ 11th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by Bob-Dole on Jul 8, 2021

ynlevi

  • Sr. Member
  • ****
  • Posts: 338
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.
Answer Preview
Only 25% of students answer this correctly


Bob-Dole

  • Member
  • Posts: 547
Reply 2 on: Jul 8, 2021
Great answer, keep it coming :)

ASDFGJLO

  • Member
  • Posts: 335
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

A closer look at the citric acid cycle A closer look at the citric acid cycle
Reversible amino acid modifications involved in regulation of protein activity Reversible amino acid modifications involved in regulation of protein activity
Hydroxyl amino acid Hydroxyl amino acid
West nomogram for estimation of surface areas. West nomogram for estimation of surface areas.
the transamination product of tryptophan is decarboxylated to yield indole-3-acetic acid, or auxin the transamination product of tryptophan is decarboxylated to yield indole-3-acetic acid, or auxin
Avocados are a good source of pantothenic acid, dietary fiber, vitamin K Avocados are a good source of pantothenic acid, dietary fiber, vitamin K
Video: Mendel's pea plant, Pisum sativum experimental

For a complete list of videos, visit our video library