Two kilograms of air are heated from 300 to 500 k. find the change in enthalpy by assuming empirical specific heat data from table a-2(c). a. b. air tables from table a-17. specific heat at the average temperature from table a-2(c) d. use the 300 k value for the specific heat from table a-2(a) c.

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.