Two solutions of sulfuric acid, a strong acid, are present in two different beakers. Is it possible for one strong acid solution to be concentrated and the other one to be dilute? Explain.

Name the element in group 17, period 2. (periodic table)

A40 kilogram skier starts at the top of a 12 meter high slope. at the bottom, she is travelling 10 meters per second. how much energy does she lose to friction

4.25g sample of solid ammonium nitrate dissolves in 60.0g of water in a coffee-cup calorimeter, the temperature drops from 22.0 c to 16.9 c. assume that the specific heat of the solution is the same as that of pure water. calculate delta(h) (in kj/mol nh4no3) for the solution proces.