Convert 100 grams of methane ch4 to number of atoms

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

Compare and contrast physical changes with chemical changes.

The diagram below shows the different phase transitions that occur in matter. which arrow represents the transition in which dew is formed?