If 220 grams of C3H8 react with 20 grams of O2, how much CO2 can be formed? help plz

(apex) when a cup of water is dropped, as the cup falls, the water in the cup falls out true or false?

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.

Which of these is a physical property