The volumetric flow rate, Q through the orifice is measured with the decreasing water level, H in the tank. What is the relationship between the volumetric flow rate and the pressure head in the tank

What two factors can affect the properties of a hydrocarbon? a. the number of its carbon atoms and the number of single bonds b. the number of its carbon atoms and the arrangement of its atoms c. the arrangement of its atoms and the number of its double bonds