The 2011 Tōhoku earthquake and tsunami natural disaster that occurred on 11 March 2011 triggered a tsunami that caused t

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The 2011 Tōhoku earthquake and tsunami natural disaster that
occurred on 11 March 2011 triggered a tsunami that caused the
flooding of the Fukushima Daiichi Nuclear Power Plant. The loss of
power to the nuclear reactor cooling system resulted in runaway
nuclear reactions, reactor meltdowns, and hydrogen explosions that
released radioactive material into the environment. At normal
operating temperatures of approximately 300oC, a
zircaloy cladding that protects the fuel rods is inert. However,
above 1,200oC, zirconium metal reacts exothermically
with water (steam) to produce hydrogen gas and zirconium oxide.
a) In this reaction, does hydrogen get oxidised or
reduced?
b) The hydrogen gas produced reacted with oxygen to form water.
Write a fully balanced chemical equation including appropriate
state symbols for the explosive reaction between hydrogen and
oxygen.
c) The hydrogen gas produced by the reaction between zirconium
and water is vented into a headspace measuring 1.5 m × 3.0 m × 4.0
m. The hydrogen gas pressure measured by pressure sensors within
the headspace was 12,200 atm while the hydrogen gas temperature was
600o The hydrogen gas then reacted explosively with
oxygen forming water. Using this information in conjunction with
the hydrogen: oxygen stoichiometric ratios determined from a fully
balanced chemical reaction in (b), calculate the volume of water
(in litres) produced. Show all your workings
to gain full marks.