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

In a warming world, seasonal events are occurring earlier in spring and later in fall. Is this a significant problem? Yes, because species respond differently.

The cost of an asset is $1,020,000, and its residual value is $160,000. Estimated useful life of the asset is five years. Calculate depreciation for the secon

If a bond's stated interest rate is lower than the market rate, which of the following is true?A) The bond will be issued at par.B) The bond will be issued at a

What makes the area of maternal-child health nursing a more extensive area for consideration of legal issues than other areas of nursing?

Is 7432 a rational or irrational number

Sasha sketches a proof of the theorem that vertical angles are congruent. She uses the diagram below. image 60e77c675d4148c2bd12b955d853b377 Angle 1 is supple

battle with grenoel summary

Which of the following documents is typically issued as part of the due-process activities of the Financial Accounting Standards Board (FASB) for amending the F

PLEASE HELP!! One example of technology in the Bible is the construction of the ____ by Noah.

A heat engine operates on a Carnot cycle that runs clockwise between a reservoir at 340 K and a reservoir at 280 K. One cycle moves enough energy from the high-