During which changes of state does the motion of the atoms decrease?

melting and deposition
freezing and condensation
condensation and evaporation
vaporization and sublimation

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.

The biosphere of the earth is made up of what compound? organic or inorganic?

How many moles of no2 will form when 3.3 moles of cu are reacted with excess hno3?