Magnesium hydroxide is used in several antacid formulations. When it is added to water it dissociates into magnesium and hydroxide ions. Mg(OH) 2(s) 
Mg2+(aq) + 2OH-(aq)
The equilibrium constant at 25°C is 8.9 × 10-12. One hundred grams of magnesium hydroxide is added to 1.00 L of water and equilibrium is established. What happens to the solution if another 10 grams of Mg(OH) 2 are now added to the mixture?
Definitions:
Ego
To Freud, the rational aspect of the personality, responsible for directing and controlling the instincts according to the reality principle. To Jung, the conscious aspect of personality.
Libido
in psychoanalytic theory, refers to the sexual or life drive that motivates individuals to seek pleasure and avoid pain.
Stimuli for Instincts
External or internal inputs that trigger natural, instinctive responses in an organism.
Hunger
The physical sensation or condition of needing food, driven by the body's need for nutritional intake.
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