When a cup of hot chocolate cools from 90°C to 80°C, which of the
following is happening to the molecules of the liquid?
Select one:
- Their rate of motion is decreasing

-Their average distance from adjacent molecules is increasing

-Their valence electrons are being lost

-Their positions are becomin
a

Match term definition ellipse a) diagonal cross section of a cylinder circle b) diagonal cross section through the widest part of a sphere sphere c) cross section parallel to the base of a cone great circle d) shape created when a semi-circle is rotated around the y-axis triangle e) perpendicular cross section of a cone

Which electron configuration represents the electrons in an atom of sodium in the ground state at stp

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?