Most calorimeters are unreliable when the oxygen concentration is above 50% to 60% because of which of the following?
a. Boyle's law c. The Hamburger ef-fect
b. Charles' law d. The Haldane trans-formation
ANS: D
Beyond FIO2s of 0.50 to 0.60, most systems are unreliable because of the Haldane transfor-mation; therefore, any data derived from their use should accordingly be viewed skeptically.
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