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

Calculate the average time it took the car to travel 0.25 and 0.50 meters with three washers attached to the pulley. Record the averages, rounded to two decimal

The shoe store manager borrowed $17,000.00 from the bank to purchase 1000 pairs of shoes. The bank charges a simple interest rate of 5% per year on a loan to a

I need an explanation of this question: the chicago cubs have won more than 100 gameswrite the inequality

1. What is distance/time?

tims bowling average for 3 games is 155. what must he bowl in his fourth game for his average to be 170

The Brave Potter summary

How did the growth of Alexander's empire spread Greek culture

Plz help...Discuss the relationship between electric and magnetic fields.

I REALLY NEED HELP WITH THIS.

What are the coordinates of the points in this graph