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Remarkably, a catalytic system that uses light energy to hydrolyze water into hydrogen H2(g)and O(g) has been...

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Chemistry

Remarkably, a catalytic system that uses light energy tohydrolyze water into hydrogen H2(g)and O(g) hasbeen devised (Science 334, 2011: 645-648) to capture andefficiently store solar energy. Hydrogen is \"clean burning\" in thatit yields only H2O. In this problem you will contrast thecombustion of 1 kgH2(g) to that of 1 kg ofn-octane.

a. Calculate the enthalpy change on burning 1 kg ofH2(g) to H2O(l) at 25∘C and 1 bar

b. Calculate the entropy change on burning 1 kg ofH2(g) to H2O(l) at 25∘C and 1 bar.

c. Calculate the free-energy change on burning 1 kg ofH2(g) to H2O(l) at 25∘C and 1 bar.

d. Calculate the enthalpy change on burning 1 kg ofn-octane(g)to H2O(l) and CO2(g)at 25∘C and 1 bar.

e. Calculate the entropy change on burning 1 kg ofn-octane(g)to H2O(l) and CO2(g)at 25∘C and 1 bar.

f. Calculate the free-energy change on burning 1 kg ofn-octane(g) to H2O(l) andCO2(g) at 25∘C and 1 bar.

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