For the reaction c3h8 + o2 co2 + h2o, match the proper coefficient to the chemical substance it goes with for a balanced reaction. a. 1 co2 b. 5 o2 c. 3 c3h8 d. 4 h2o

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.