Suppose the wavenumber of the fundamental vibrational transition of 79Br81Br was measured to be 346.5cm-1. Calculate the force constant of the bond in SI units given the isotopic masses:(m(79Br)

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.

Agas can holds 2.0 gal of gasoline. what is this quantity in cubic centimeters?

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3 -> a2cr(no3)3 + a3ag2so4