A hot air balloon has a volume of 960L at 291 K. To what temperature (in °C) must it be heated to raise its volume to 1200L, assuming the pressure remains constant?

How many moles of magnesium is 3.01 x10^22 atoms of magnesium?

According to the tide table below what time of day will the highest tide occur? (2 pt) the highest tide will occur at

Select all that apply. using a value of ksp = 1.8 x 10-2 for the reaction pbcl2 (s) pb+2(aq) + 2cl -(aq). the concentration of the products yield a ksp of 2.1 x 10-2: