PL HELP 13 POINTS AVAILABLE Apply lesson concepts to classify the following chemical reactions:
Zn+2HCI-›H2+ZnCI2
2KCI03->2KCI+302
2KI+C12->2KCI+12
AgNO3+KCI-›AgCI+KN03

Scientific evidence tells us that the cause of earths four season is the tilt of earth as it revolves around the sun. the student is instructed to illustrate this information in a science notebook. how will the student illiterate winter in the northern hemisphere?

Draw two cyclic constitutional isomers of cis-1

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.