How do we know when two systems have reached thermal equilibrium?(check all answers that apply)

a)No heat flows between the two systems.

b)One system is colder than the other

c)One system is warmer than the other.

d)The temperatures of both systems are the same

Which best explains why an iceberg floats?

According to the valence shell electron pair repulsion (vsepr) theory, a molecule that has four electron groups around the central atom will exhibit what electron geometry? view available hint(s) according to the valence shell electron pair repulsion (vsepr) theory, a molecule that has four electron groups around the central atom will exhibit what electron geometry? trigonal bipyramidal tetrahedral square planar determination of electron geometry requires information on whether the electron groups are lone pairs or bonding groups.

Which of the following is not one of the steps in the scientific method a. hypothesize b. summarize c. analyze d. familiarize