The reaction of 9.9 grams of fluorine with excess chlorine produced 3.3 grams of clf3. what percent yield of clf3 was obtained? answer in units of %.

Evaluate this exponential expression,8. (2 + 3)2 – 42

The bond energy for the van der waals bond between two helium atoms is 7.9×10−4ev. assuming that the average kinetic energy of a helium atom is (3/2)kbt, at what temperature is the average kinetic energy equal to the bond energy between two helium atoms

Mercury metal is poured into a graduated cylinder that holds exactly 22.5 ml the mercury used to fill the cylinder mass in 306.0 g from this information calculate the density of mercury