Magnesium was reacted with acid to give a salt and hydrogen. The experiment was carried out once with dilute acid and then repeated with concentrated acid. Look at the
graph. Is graph 1 the reaction with the dilute or the concentrated acid?

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.

If 3 moles of a compound use 24 j of energy in a reaction, what is the a hreaction in j/mol?

Wind and moving water provide energy. chemical mechanical thermal none of the above