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

What percentage of americans experienced food insecurity in 2008?

During the early colonial era, colonists are establishing towns and cities near the

Simplify using the horizontal method (2n^2+5n+5)(2n-4)

Consider the two groups listed below. Which statement correctly describes the relationship of the two sets if they were mapped? all eighth grade students birthd

at 7 p.m. the temperature is 72 degrees F at 10 p.m. it is 52 degrees find the average rate of change in temperature

Which is an undefined term that is useful for defining a circle? a. angle b. distance c. line d. segment

Copy and complete the table on the previous page into a Word document. Title your journal "Pythagorean Theorem". Discuss any relationships you see in the table?

In a response of two to three sentences, explain how the following lines contribute to Beowulf's characterization as a hero. (20 points) "The comer-from-far-la

Which New Mexican geographic condition most contributed to the development of early Native American farming techniques

Nellie has an idea for a new shopping plaza for the local community. Which two professionals would she most likely interact with if she needs to get approval fo