When a lit match is touched to the wick of a candle, the candle begins to burn. When the match is removea the candle continues to burn because the match
A supplies the energy to start the reaction
B is part of the rate determing step
C makes the reaction need less energy to start
behaves as a catalyst

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.