2alcl3 --> 2al + 3cl2

if 10.0g of aluminum chloride are decomposed, how many molecules of cl2 are produced?

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Express the following number in scientific notation. 0.026890 =

If we compare and contrast electromagnetic waves with sound waves, all but one statement is true. that is a) sound waves require a medium to travel while electromagnetic waves do not. b) electromagnetic waves can travel through the vacuum of space while sound waves cannot. c) electromagnetic waves must have a medium in which to travel, but sound waves can travel anywhere. eliminate d) sound waves must bounce off of matter in order to travel while electromagnetic waves do not require matter to be present.

Which of the following is in the lanthanide family? a) uranium b) promethium c) silver d) gold