A sample of neon gas occupies a volume of 752ml at 25 degrees Celsius. What
volume will the gas occupy at 50 degrees Celsius if the pressure remains
constant?

Connect the whole numbers on the periodic table to indicate what they represent?

Suppose that some of the compound spilled out of the crucible after it was heated. would that cause the percent by mass of water in the compound determined by the experiment to be too low, too high, or unchanged? briefly explain your answer.

Calculate the mass of 0.750 mol of the following substance. na3po4. , i'm not quite sure on how to set up the problem to solve! : (