What type of chemical reaction is represented by chemical equation: SO3(g) + H2O(I) —> H2SO4(aq)? Please select ALL that apply.
•Double Replacement (DR)
•Single Replacement - Anionic (SR-A)
•Synthesis (S)
•Single Replacement - Cationic (SR-C)
•Decomposition (D)
•Combustion (C)

Maria wants to determine which type of disinfectant kills the most bacteria. which of the following is the best way for maria to determine this? a. ask ten different companies that make disinfectants which type is best. b. put the same amount and species of bacteria on ten identical plates, and add ten different kinds of disinfectant to each plate. c. interview ten different people to determine which type of disinfectant they prefer. d. put the same amount and species of bacteria on ten identical plates, and add a different disinfectant to each plate.

The tendency of water molecules to stick together is referred to as a) adhesion b) polarity c) cohesion d) transpiration e) evaporation

4. propanol and isopropanol are isomers. this means that they have a) the same molecular formula but different chemical properties. b) different molecular formulas but the same chemical properties. c) the same molecular formula and the same chemical properties. d) the same molecular formula but represent different states of the compound