When the temperature of a sample of pure water is raised above 25 °C,(1)the hydronium ion concentration will be greater than the hydroxide ion concentration.(2)the hydronium ion concentration will be less than the hydroxide ion concentration.(3)the value of Kw will increase.(4)the hydronium ion concentration could change to 1.0 × 10−10 M.(5)the hydroxide ion concentration could change to 1.0 × 10−10 M.

The correct answer is option 3.

Explanation:

The expression of is given by :

Rise in temperature will result in more dissociation of water molecules into hydrogen ions and hydroxide ions.

With an increase in concentration of hydrogen ions and hydroxide ions value of will also increase.

adding or remove a gaseous reactant or product changes the concentrations. if the concentration of reactant or product is increased, the system will shift away from the side in which concentration was increased (i.e. if the concentration of reactants is increased, the system will shift toward the products. if more products are added, the system will shift to form more reactants). conversely, if the concentration of reactant or product is decreased, the system will shift toward the side in which concentration was decreased (i.e. if reactants are removed, the system will shift to form more reactants. if the concentration of products is decreased, the equilibrium will shift toward the products).

explanation:

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