Given the unbalanced equation Cro + Sn2+ Cr3+ + Snº
What is the coefficient in front of the Cr3+ when the
equation is balanced using smallest whole-number
coefficients?
A 1
B 2
C 3
D 6

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.

Which samples do the atoms have the least kinetic energy

The footprints of a dinosaur and the burrow of an ancient shrimp are examples of which kind of fossils