What is the density (in g/L) of Arig) at -11°C and 675 mmHg? (R = 0.08206 L. atm/K. mol, 1 atm = 760 mmHg)

Check the correct box to describe the periodic trends in electronegativity. electronegativity across a period: decreases. increases. electronegativity down a group: decreases. increases.

If 90.0 grams of ethane reacted with excess chlorine, how many grams of dicarbon hexachloride would form

The atoms of a solid aluminum can are close together, vibrating in a rigid structure. if the can is warmed up on a hot plate, what happens to the atoms?