Reactant x contains 199.3 j of chemical energy. reactant y contains 272.3 j of chemical energy. product w contains 41.9 j of chemical energy. if the reaction loses 111.6 j of chemical energy as it proceeds, how much chemical energy must product z contain?

An airplane flying parallel to the ground undergoes two consecutive displacements. the first is 76 km at 39.8◦ west of north, and the second is 156 km at 59.9◦ east of north. what is the magnitude of the plane’s total displacement? answer in units of km. 020 (part 2 of 2) 10.0

Select the three ways that the parallel-plate capacitor differs from a car battery.

To a of 4 x hz is 1. 0. mm nm nm