State the change in energy that occurs in order to break the bonds in the hydrogen molecules, H2(g) so it can react with O2(g) to form H2O(g).

Explanation:

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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