washes and extractions are both techniques that use a separatory funnel to separate liquid layers. however, washes and extractions have differences. determine whether each statement applies to washes or extractions.

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space

Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.

If two objects at different te,peraure are in contact with each other what happens to their temperature