When warm air is trapped between two cold air masses. 1) warm front
2) cold front
3) occluded front
4) stationary front

Which type of substance ionizes partially and gives off hydrogen ions when dissolved in water? a. strong acid b. strong base c. weak acid d. weak base

What is the mass defect of a mole of nuclei with 1.8 x 10^15 j/mol binding energy?

Avolleyball player hit a ball with a mass of 0.25 kg. the average acceleration of the ball is 15.5 m/s². how much force did the volleyball player apply to the ball? 62.0 n 3.87 n 62.0 m/s² 3.87 m/s²