How much of a 80 g sample of 1-131 atoms will remain after 3 half lives?
g

George is a dalmatian puppy. describe what happens to light that allows you to see george’s black and white coat.

Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.

How do you know when a chemical reaction has occurred