Determine the number of grams of solute needed to make each of the following molal solutions (a) a 4.55 m solution of H 2 SO 4 in 1.04 kg H 2 O 9 (b) a 1.25 m solution of HNO 3 in 2.08 kg H 2 C 9

Balance this equation co2(g) + h2o (g) show that the balanced equation obeys the law if conversation of mass

Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.

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