Why is there little heat retained in the warm thermosphere? a. the pressure is too low c. the molecules move too fast b. the pressure is too high d. there are too many molecules to transfer heat

An object becomes electrically charged when: electrons are created in it electrons from it are destroyed electrons are transferred to it protons from it are destroyed protons are created in it

A4.86 g piece of metal was placed in a graduated cylinder containing 15.5 ml of water. the water level rose to 17.3 ml. what is the density of the metal. i need the steps of how to solve it to so i can use a formula to work out other problems.

What is the mass of oxygen gas is consumed in a reaction that produces 4.60mol so2