An asteroid in space has traveled 4,500 km in 60 s, what is the average speed of the asteroid?

Which statement describes james chadwick’s discovery.

Ican determine the molar mass of an element by looking on the under the atomic mass for the element. for example the molar mass of phosphorus is 30.974 grams/mole. avogadro’s number tells me the amount of representative particles in 1 mole of any substance. this means 12.011 gram sample of carbon and a 32.0 gram sample of sulfur have the same number of atoms.

You have a liquid that exhibits diltancy. you want to pour it from a bottle. what should you do to the bottle before pouring