If a gas has an absolute pressure of 319 kpa, its gage pressure is a. 219 kpa. b. 439 kpa. c. 419 kpa. d. 199 kpa.

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

Two forces produce equal torques on a door about the door hinge. the first force is applied at the midpoint of the door; the second force is applied at the doorknob. both forces are applied perpendicular to the door. which force has a greater magnitude?

Name two kinds of practical electric pumps.