My car gets 30 miles per gallon. A station in Roswell, GA sells gasoline at $0.38/liter. How many kilometers can I travel using 23.30$ to buy gasoline?

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 is true according to the law of conservation of energy

Avogradoa number was calculated by determining the number of atoms in?