A runner wants to run 10.1 km. Her running pace is 8.3 mi/hr. How many minutes must she run?

Describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? )

Suppose a lab group reports a ppercent yield of sand of 105. is it really possible to collect more sand than was originally represented? what is the possible explanation for the extra product?

Ablock of aluminum is dropped into a graduated cylinder with an initial volume of water at 75ml and the volumes rises to 90ml. if the block has a mass of 40.5 g what is its density ?