What is the mass of 3.57 mols of NaOH

At room temperature what happens to the average kinetic energy of the molecules of a solid, liquid, and a gas

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

How does the principle of electromagnetism explain the interaction between earth’s magnetic field and the solar wind?