The region that is the most probable location 01
an electron in an atom is
(1) the nucleus
(3) the excited state
(2) an orbital
(4) an ion

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)

At which temperature would a reaction with ah= -220 kj/mol and as=-0.05 kj/(mol-k) be spontaneous?