How much of a 750.00 gram sample of K-42 is left after 62.00 hours?

Write a hypothesis that answers the lesson question, “while observing a chemical reaction, how can you tell which reactant is limiting? ” hypothesis: if a substance is the limiting reactant, then . . because . .

This question is about electrolysis. metal spoons can be coated with silver. this is called electroplating. suggest one reason why spoons are electroplated?

What produces wave a)sound b) heats c)transfer of energy d)vibrations