2. How many copper atoms and how many of CuCl2?
A
one copper atom, one chlorine atom
B. one copper atom, two chlorine atoms
c. two copper atoms, one chlorine atom

An example of technology is the a. addition of a side group to an organic molecule during synthesis. b. use of a new antibiotic to fight an infection. c. measurement of iron concentration in a water sample. d. study of atomic fusion reactions

Why does the sun appear to be the brightest star in the sky? a- its apparent brightness is much greater than other stars. b- it burns more gas, making it brighter than any other star. c- it is the largest star in the galaxy, so it is the brightest star. d- its relative distance to earth is closer than the other stars.

How many moles of gas are present if p=11 atm, v=12l, t=185k?