A candle burns for 5 minutes under a can of water containing 150 grams of water at 20C. After 5 minutes, the final temperature of the water is 90 C? How many Joules of energy did the water gain?

Which object forms when a supergiant runs out of fuel? a red giant a black hole a white dwarf a neutron star

At 300 mm hg, a gas has a volume of 380 l, what is the volume at standard pressure

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.