Many power plants produce energy by burning carbon-based fuels, which also produ

Question

Many power plants produce energy by burning carbon-based fuels, which also produces carbon doxide Carbon dioxide is a greenhouse gas, so over-production can have negative effects on the environment. Use enthalpy of formation data to calculate the number of moles of CO_2(g) produced per megajoule of heat released from the combustion of each fuel under standard conditions (1 atm and 25 degreeC). coal C(s. graphite). (b) natural gas. CH_4(g); c) propane,C_3H_8(g) (d) octane. C_8H(I) (DelH_1, = -250 kj. mol^-1)

Explanation / Answer

a) C + O2 ------------> CO2

b) CH4 + 2O2 -----------> CO2 + 2H2O

c) C3H8 +5O2 ---------->  3CO2 + 4H2O

d)  C8H18 + (25/2) O2 ----------> 8CO2 + 9H2O

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