A 295-mL flask contains pure helium at a pressure of 762 torr . A second flask with a volume of 455 mL contains pure argon at a pressure of 725 torr

Which of these best describes an ionic bond?

What is the atomic mass of an atom that has 6 protons, 6 neutrons, and 6 electrons? a) 6 b) 8 c) + 1 d) 12 e) 18

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.