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

Author Question: What element was found to be the first superconductor of electricity at 4.2 K in 1911? (Read 66 times)

fox

  • Hero Member
  • *****
  • Posts: 540
on: Feb 15, 2020

Question 1

What is the average oxidation number of Cu in the 1-2-3 superconductor YBa2Cu3O7 if Y is in the +3 oxidation state?
◦ +2.33
◦ +0.67
◦ +2
◦ +4.33

Question 2

What element was found to be the first superconductor of electricity at 4.2 K in 1911?
◦ nickel
◦ mercury
◦ aluminum
◦ gallium
Chemistry ¦ McMurry, Fay, Robinson ¦ 7th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by fox on Feb 15, 2020

kalskdjl1212

  • Sr. Member
  • ****
  • Posts: 353
Reply #1 on: Feb 15, 2020
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 39% of students answer this correctly


fox

  • Member
  • Posts: 540
Reply 2 on: Feb 15, 2020
Thanks for the timely response, appreciate it

Chelseyj.hasty

  • Member
  • Posts: 319
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

The skull of a wild boar found at Lan Lo Au, Hoi Ha Wan Marine Park, Hong Kong The skull of a wild boar found at Lan Lo Au, Hoi Ha Wan Marine Park, Hong Kong
Atlatl mammoth ivory "creeping hyena", found in La Madeleine rock shelter, dated back to c Atlatl mammoth ivory "creeping hyena", found in La Madeleine rock shelter, dated back to c
Examples of three types of joints found in the body. Examples of three types of joints found in the body.
Gender differences in activity preference are found across cultures, although the specific ... Gender differences in activity preference are found across cultures, although the specific ...
How to find the components of a vector found in the first quadrant How to find the components of a vector found in the first quadrant
Probiotics are live microorganisms, usually bacteria, mainly found in cultured dairy foods Probiotics are live microorganisms, usually bacteria, mainly found in cultured dairy foods
Video: Deafness Culture

For a complete list of videos, visit our video library