Mathematics, 07.11.2019 05:31, keke6361

In frozen meal manufacturing, frozen meat pies are prepared by first baking them at 220oc, then freezing them cryogenically, using liquid nitrogen, to −20oc.
a) what is the temperature difference from baking to freezing the meal?

b) liquid nitrogen is −196oc. what is the difference in temperature between the liquid nitrogen and the frozen meal temperature (−20oc)?

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In frozen meal manufacturing, frozen meat pies are prepared by first baking them at 220oc, then free...