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
VER TODAS LAS RESPUESTAS ( 64+ )
Otras preguntas
5b+a-2c when a=2,b=1&c=3
Some children research their classmates' favourite colour. They show the results in a pie chart. 40 children were asked about their favourite colour. How many c
Unilateral descent impacts an individual's behavior. Please explain.
there are 48 tables at a school.3/8 of the tables are in the dining hall.the rest are shaded equally between 5 classrooms.how many tables are in the main hall
Among Canada’s aboriginal peoples, there are over 600 recognized tribes that speak over 30 different languages. Please select the best answer from the choices p
A train travels 8.81 m/s in a -51.0° direction. The train accelerated for 2.23 s, changing its velocity to 9.66 m/s in a 37.0° direction. What is (delta)x?
Juniors and seniors were surveyed about whether they plan to attend a school dance. 94 out of 130 juniors plan to attend. 12 out of 140 seniors do not plan to a
The volume of a tree stump can be modeled by considering it as a right cylinder. Jin measures its radius as 11 in and its volume as 13685 cubic inches. Find the
Mike has 63 toys. 18 of them are new and 12 are his favorites, while 4 are new and favorites. Mike is giving away all the toys that are neither new nor favorite
Just a question about the problem, dont need the answer if you dont want to solve it, but would 15 be negative? Thats all, Thanks![tex]f(x)=x^{2} +15x+3[/tex]
