Este CH3CH2COOCH2CH3 có tên là gì?

What is the h+ concentration for an aqueous solution with poh = 4.01 at 25 ∘c? express your answer to two significant figures and include the appropriate units.

Explain the relationship between forward and backward reactions in equilibrium, and predict how changing the amount of a reactant (creating a tension) will affect that relationship.

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins