What is the pressure in a 925 ml container of methane, CH4, that contains 4.48 g of the gas at 317 K? Round your answer to the nearest hundredth of a torr. Do not include units

Calculate the number of molecules present in 0.750 mol of mgo.

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.

Fossil fuels are organic compounds that are made from