If the average depth of the stream for the next 4 years is 1.60 meters, which of the following is most likely to occur?

Nuclear fusion is the source of energy for stars. besides hydrogen, which other element is most likely also common in stars?

The valence of aluminum is +3, and the valence of the chlorine is -1. the formula fir the aluminum chloride is correctly written as

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.