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

6 cups of water is 2/3 of a jug find the total number of cups of water in the jug

Fraction first example is 2 by 5 is 2 parts of 5 but the second one 1 by 3 =? Third 2 by 4 is =?

The rational function g(x) = x+10/x can be rewritten in the form g(x) = c+ r/x, where c and r are constants. Which expression is the result? a. g(x) = x +10/x b

how many distinct sequences of four letters can be made from the letters in problem if each letter can be used only once and each sequence must begin with l and

The principle ‘forgive and forget’ helps a lot in maintaining cordial relations with our neighbours. do you think anton chekov conveys this message in the play

The state of Minnesota has an issue with the state of Wisconsin that goes to court. In this example, the Supreme Court has ___________ jurisdiction to hear this

sydney is among the first places to celebrate the new year each year. which ancient civilization is believed to be the first to celebrate the occasion?

Which renewable energy source is used most?

Which of the following is most likely to reduce the kinds of group biases that exist in face-to-face groups? A. crowd psychology B. herd mentality C. crowdsourc

If a person is involved in an incident at a medical facility, where should a report be filed? 1) the police department 2) the National Institute of Health 3) PS