40m³ of liquid P is mixed with 60m³ of another liquid Q. if the density of P and Q are 1.p0 kg/m³ respectively, what is the density of the mixture

What distance does a car travel as its speed changes from 0 to 20 m/s in 17 s at constant acceleration?

The items in the following list are all units of matter. which is the smallest unit that retains the properties of the matter? a.) atom b.) compound c.) electron d.) element

An insulated thermos contains 148 g of water at 72.7 ˚c. you put in a 11.7 g ice cube at 0.00 ˚c to form a system of ice + original water. the specific heat of liquid water is 4190 j/kg•k; and the heat of fusion of water is 333 kj/kg. what is the net entropy change of the system from then until the system reaches the final (equilibrium) temperature?