How is equilibrium price of a commodity determined? Explain with the help of a demand and supply schedule

How is the equilibrium price of good determined? Explain with the help of a diagram a situation when both demand and supply curves shift to the right but equilibrium price remains the same.

Explain law of demand with the help of a demand schedule.

What is equilibrium price? What happens to the equilibrium price of a commodity, when its demand increases ? Show with the help of a diagram.

How does an increase in demand of a commodity affect its equilibrium price and equilibrium quantity? Explain with the help of a diagram.