What quantity of energy is released when 506 g of liquid water freezes?

Joan writes four numbers on the board in standard form, and then she writes their scientific notation

How is the shape of the poem “peer” connected to its meaning?

How is electrolysis most commonly used to produce an energy source? a - splitting water molecules produces oxygen, which organisms breathe to fuel their bodies. b - splitting water molecules produces hydrogen gas, which is used to power machines through hydrogen fuel cells. c - splitting carbon dioxide molecules produces coal, a form of carbon that can be burned to produce heat. d - splitting carbon dioxide molecules produces natural gas, which can be burned to generate electricity in power plants.