How much heat is evolved when 50.0 g of ice changes from -30.0 °C to a gas at 110°C?

Calculate the molarity of 48.0 ml of 6.00 m h2so4 diluted to 0.250 l .

Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?

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.