How many atoms are contained in 4.0003 grams of helium, He? The molar mass of helium, He is 4.0003 grams/mole. (Type your answer on the blank
and show your solution on a separate sheet of paper.) *

Which statement describes how phase changes can be diagrammed as a substance is heated? the phase is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the phase is on the x-axis. the time is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the time is on the x-axis.

Substance x has a fixed volume, and the attraction between its particles is strong .substance y had widely spread out particles and can be compressed what can most likely be concluded about these substances

What shape would a molecule with two bound groups and two lone pairs have?