electrolysis of molten calcium chloride produce 2kg of calcium . calculate the volume gas produce the time

Acamcorder has a power rating of 17 watts. if the output voltage from its battery is 7 volts, what current does it use?units:

Aperfume bottle is dropped in the corner of a room. the odor of the perfume can be detected on the other side of the room. which statement best describes this observation?

  the mississippians were considered to be  horticulturalists, which means they were