How many liters are in 4x10^23 atoms of CO

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.

What must be in balance for temperatures to remain constant?

Use the half-reactions of the reaction au(oh)3 + hi -> au +i2 +h2o to answer the questions