Question: Please help ASAP. Need to submit the answer within 30 minutes. Thank you in advance! (a) Methanol (CH3OH), also known as wood alcohol, is considered

Please help ASAP. Need to submit the answer within 30 minutes. Thank you in advance!

Please help ASAP. Need to submit the answer within 30 minutes. Thank you in advance! (a) Methanol (CH3OH), also known as wood alcohol, is

(a) Methanol (CH3OH), also known as wood alcohol, is considered an alternative fuel. Being liquid at RTP conditions, it is a convenient fuel for automobiles with reasonable reactivity in fuel cells. Table 2a shows the enthalpies and the free energies of formation (at RTP) of each species of interest. Table 2a (i) How much heat is obtained by burning 1kg of methanol in an IC engine? (ii) How much electric energy will an ideal fuel cell (using methanol and air) produce per kg of fuel? Note: The problem requires air as the oxidant, in which the oxygen pressure is only 0.2atm. The remaining fluids are still at I atmosphere. The free energy of each kilomole of oxygen is decreased (in absolute value) by an amount RTin0.2=4.0MJ. (iii) How much heat does the cell reject? (4 markah/marks) (3 markah/marks) (iv) What is the reversible voltage generated by this methanol fuel cell under RTP? (4 markah/marks)

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