Kyliefox08 Kyliefox08

01-11-2016
Chemistry

contestada

What are the oxidation numbers for Zn(OH)4 ^2-

Respuesta :

venus4455661 venus4455661

01-11-2016

Zn(OH)4= ; -2 = -4 + ?, Zn = +2 , the -4 is the charge on the 4 OH- ions.

NO3- + 6 H2O + 8 e- -------> NH3 + 9 OH-
( Zn + 4 OH- ----> Zh(OH)4= + 2e-) x 4
7 OH- + NO3- + 4 Zn + 6 H2O -------> NH3 + 4 Zn(OH)4=

Answer Link

Otras preguntas

The branch of government with implied contracting authority and responsibility for making procurement and budget policy through the Office of Federal Procuremen

How much simple interest does a $10,000 investment earn at 5.6% over 18 years? $26.650 $10,080 $10.580 $16,665 @ 9 D

What was the primary method of punishment used by teachers to discipline students for academic mistakes and moral lapses during the 17th and 18th centuries?

Cortical thickening in five- to 11-year-olds in the ________ may reflect improvements in language abilities, such as in reading.

Mrs. Radford asks whether there are any special eligibility requirements for Medicare Advantage. What should you tell her?

What is 6.25 as a fraction in simplest form

The difference of 10 and5

Assume the following sales data for a company: 2015 $910,000 2014 $770,000 2013 700,000 If 2013 is the base year, what is the percentage increase in sales from

A local newspaper held an open house for students in the town four middle schools to come and see how newspapers are made. There were 126 girls at the open hous

Students in a high school woodworking class wants to conduct a survey to determine the percentage of students in the school who are willing to pay a fee for par