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Converting 740 torr to mm Hg: 1 torr = 1 mm Hg so 740 torr = 740 mm Hg
Total pressure = partial pressure O2 + partial pressure N2O (nitrous oxide, not nitrogen oxide)
Pressure of N2O = 740 mm Hg - 370 mm Hg = 370 mm Hg

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Do Use anesthetic in a sentence?

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Who was the first to use erther as an anesthetic agent?

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