If you take 50.0 grams of ice out of a freezer at its freezing point, and let it melt completely without changing temperature, how many kj of heat would be absorbed by the ice?

How does a large body of water, such as the ocean, influence climate?

Given the following at 25c calculate delta hf for hcn (g) at 25c. 2nh3 (g) +3o2 (g) + 2ch4 (g) > 2hcn (g) + 6h2o (g) delta h rxn= -870.8 kj. delta hf=-80.3 kj/mol for nh3 (g), -74.6 kj/mol for ch4, and -241.8 kj/mol for h2o (g)

How many moles of bromine are needed to produce 3.23 moles of potassium bromide