CHEM. QUESTION! NEEDED ASAP! If there are 6.2x10²2 molecules of calcium carbide,
CaC2, what mass of acetylene (C2H2) can be formed?
CaC2 +_ H2O → _ Ca(OH)2 + ___C2H2

What forms when chemical reactions combine pollution with sunlight?

Classify this reaction: 2al+n2-> aln.

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.