According to the graph, which has a larger radius? According to the graph, what is the radius of Saturn?

What’s the percent by mass of carbon in c10h14n2

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.

May someone me with these science questions