Why do seismologists use 3 stations to determine the epicenter location?

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.

What is the compound name for the formula [ru(en)2cl2]2+ and [co(en)cl2br]-

What are the constituent metals of stainless steel?