Calculate ∆E for the following case:

q = +1.62 kJ and w = -874 J

a. -872 J
b. -746 J
c. +746 J
d. +872 J
e. +2.49 kJ

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.

The missing component to the table to the right or indicated with orange letters complete the table by filling in the corresponding numbers or symbols

How is the atomic number of a nucleus changed by alpha decay