Which phase change is accompanied by the release of heat? A) H2O(s) → H2O(g)
B) H2O(s) → H2O()
C) H2O() → H2O(g)
D) H2O() → H2O(s)

Reaction rate depends on how many molecules are coming into contact with each other with enough energy to react. increasing the temperature of the reactants will increase -

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

Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?