A heat engine receives 1240 J of heat and exhausts 910 J per cycle of the engine what net work does the engine perform during the cycle? a) 0 J

b) 330 J

c) 910 J

d) 2150 J

When does your body conduct current more readily?

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

Avolcano erupts next to a grassland area in a valley. a. describe three ways in which material released by the volcano could impact the grassland area. b. describe three ways in which the grassland ecosystem could recover after a volcanic eruption.