Which of the following would form a spontaneous reaction at 298 K? A. AH = 205 kJ/mol, AS = 0.210 kJ/(mol-K)
B. AH = 28 kJ/mol, AS = 0.109 kJ/(mol-K)
C. AH = 8.7 kJ/mol, AS = 0.008 kJ/(mol-K)
D. AH = 31 kJ/mol, AS = 0.093 kJ/(mol-K)

Select all of the statements which are true. electrons are located in shells or orbits around the atom. electrons orbit slowly around the atom. electrons travel in one flat path around the nucleus of an atom. the valence of an atom is determined by the number of electrons in the atom's outermost shell.