Table 13. 1 Energy Content of Fuels Material Amount Energy (J) 3 × 107 1 kg 1 barrel (0.16 m³) 1 ft³ (0.028 m³) Coal Oil 6 × 10º Natural gas 106 Wood 1 kg 107 1 gallon (0.0038 m³) 1 kg Gasoline 108 Uranium (fission) 1014
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In 2011 one estimate of worldwide proven oil reserves was 2.0 x 1011 m3. Using the data in Table 13.1, answer the following questions. (a) How much energy would that amount of oil produce? (b) If oil were the sole source of energy for the world, how long would it last, assuming a steady yearly energy consumption of 500 EJ (5.0 x 1020 J)? (c) How much uranium used to fuel nuclear reactors would be required to supply the amount of energy you found in (a)?
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