When one mole of hydrogen, H2, is formed, 131kJ of energy is absorbed. Calculate the amount of energy absorbed when 240 dm3 of hydrogen, measured at room temperature and pressure is formed.
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1403.6 kJ is absorbed when 240 dm3 of hydrogen, measured at room temperature and pressure is formed
Explanation:
According to Avogadro's law 1 mole of any gas occupies 22.4 L (dm3) at room temperature and pressure.
So find the amount of energy absorbed:
E = 131 * 240/22.4 = 1403.6 (kJ)E=131∗240/22.4=1403.6(kJ)
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