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Chemistry, 22.06.2019 00:30
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.
Answers: 1
Chemistry, 22.06.2019 20:00
Suppose that some of the compound spilled out of the crucible after it was heated. would that cause the percent by mass of water in the compound determined by the experiment to be too low, too high, or unchanged? briefly explain your answer.
Answers: 1
Chemistry, 23.06.2019 16:30
If the enthalpy value for a reaction is negative, what does that indicate about the reaction?
Answers: 1
Computers and Technology, 15.10.2019 23:30
Computers and Technology, 15.10.2019 23:30
Computers and Technology, 15.10.2019 23:30