A tank of nitrogen has a pressure of 2.5 atm and is combined with a tank of Ar with at final pressure of 3099 mmHg. What is the pressure of the Ar in mmHg? NOTE: convert the partial pressure of Ny to mmHg.

a. 1560 mmHg
b. 0.600 mmHg
C. 4.08 atm
d. 1199 mmHg

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.

An experimental procedure requires a 10 ml of acid to be dissolved

If a solution had a ph of 7 what is the solution