How many joules of energy are required to raise 14g of Iron from 20oC to 32oC, given the specific heat of Iron as 0.234J/goC?

c is the answer because when something is left after something evaporates that shows the chemical change.

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> b takes place in the gas phase in an isothermal tubular reactor. the feed is one mole of a per one mole of c, an inert. the entering temperature and pressure are 427°c and 10 atm, respectively. the gas constant r = 0.08206 atm · l/mol · k.