• You have become disillusioned with chemical engineering and have decided to become a rocket scientist. On your first day, your boss tells you that you are a member of the rocket fuel team and need to calculate the minimum amount of shaft work required to generate 300,000 kg of liquid oxygen at atmospheric pressure,1 which will act as the oxidizer for the actual rocket fuel. Assume that another team has already taken the step of purifying oxygen gas from the air. 
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• a) What is the minimum work required if you're working outside in Florida during the summer? (100 °F) 
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• b) What is the minimum work required if you're working outside in Florida on an unusually cold winter day? (50 °F) 
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• c)  Would it be better to produce the oxygen elsewhere (say, northern Wisconsin) and ship it to Florida for use? Consider non-thermodynamic aspects - is it safe? Economically sound? Are workers in reasonable conditions?