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Need guidance with Chemistry - energy related

  1. Nov 22, 2011 #1
    Hey guys, I'm really lost on this question...could somebody please point me in the right direction?

  2. jcsd
  3. Nov 23, 2011 #2
    I'm not entirely sure on how to work out the answer but this may point you in the right direction :

    1st calculate the amount of energy the oxidation of one mole of hydrogen produces
    2nd calculate how many moles of hydrogen would be needed to meet the demand of 10^17kJ
    3rd calculate how much water would be required to meet the demand of that many moles of hydrogen
    4th calculate the volume of water that is equivalent to then work out the decrease in the sea level
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