A circuit has a resistance of 4.0 Ohms. What voltage will produce a current of 1.4 Amps in the circuit

The momentum of an isolated system is conserved a) only in inelastic collisions. b) only in elastic collisions. c) in both elastic and inelastic collisions

Which statement correctly describes the relationship between frequency and wavelength?

The experiment was repeated many years later but the gases were mixed in a different type of container. a white solid was obtained which was xenon fluoride. predict whether you think 1) krypton and 2) radon will react with fluorine. explain reasons for your predictions