I need done within 2 hours. Thanks alot.

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:

Which statement best explains the relationship between an area is geography and the temperature of its surface water

Mercury turns to vapor at 629.88 k how much heat is lost 175 g of mercury vapor at 650 current condenses to a liquid at 297 ca mercury turns to weber at 629.88 kelvin how much he is lost 175 g of mercury vapor and 650 coming condensers to liquidate 297 kevin