This time of year, Mrs. Patton has a huge iceberg floating around in her swimming pool. If the mass of the iceberg is 200,000 grams, how much heat is needed to completely melt it?

If 90.0 grams of ethane reacted with excess chlorine, how many grams of dicarbon hexachloride would form

How many moles of lead are in 1.50 x 10^12 atoms of lead? could you explain the answer as well and not just give it to me i am refreshing for finals and i need to know how to do it

A5 mole sample of liquid acetone is converted to a gas at 75.0°c. if 628 j are required to raise the temperature of the liquid to the boiling point, 15.600 kj are required to evaporate the liquid, and 712 j are required to raise the final temperature to 75.0°c, what is the total energy required for the conversion?