under what conditions would two wave functions i and j belonging to an operator o^ said to be orthornomal wave fuctions

When fat comes in contact with sodium hydroxide, it produces soap and glycerin. determine whether this is a physical change or a chemical change. explain your answer

You are about to open a container of soy milk but notice that there are instructions to “shake well before serving.” the soy milk is most likely a

Awater-filled u-tube manometer is used to measure the pressure inside a tank that contains air. the water level in the u-tube on the side that connects to the tank is 5 ft above the base of the tank. the water level in the other side of the u-tube (which is open to the atmosphere) is 2 ft above the base. determine the pressure within the tank.