The (blank) is the (blank)
change when (blank)
of a substance melts, changes from the (blank)
phase to the (blank)
phase.

In which layer of earth do most earthauakes occur a_ inner core b_outer core c_mantle d_crust

In a ni-cd battery, a fully charged cell is composed of nickelic hydroxide. nickel is an element that has multiple oxidation states. assume the following proportions of the states: nickel charge proportions found 0 0.17 +2 0.3 +3 0.33 +4 0.5 (a) determine the mean of the nickel charge. enter the answer to 2 decimal places.(b) determine the cumulative distribution function of nickel charge.

Chemistry worksheet - i am not sure what they are asking for exactly?