Which of the following is an example of a device that transfers one type of
energy into another?
A. Wrench
B. Skateboard
C. Toaster
D. Chair

a is the correct answer

the dissociation of nickel hydroxide is follows:

the concentration of hydroxide ion is

the equilibrium constant value of nickel hydroxide is = 6.1 * 10^-^1^6 and thus equilibrium equation can be written as:

thus, concentration of ni is 0.23 * 10^-^4 mol /l

answeridentity;