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The molar mass of the general anesthetic methoxyflurane is 164.97 g mole-1. Suppose that this compound be can relied on to cause anesthesia when it is present in mixture with breathing air at 0.456 mmHg. This pressure is called the MAC. An anesthetized patient patient had a respiratory rate of 8 breaths min-1. The tidal volume of the patient was 0.47 L per breath. The patient breaths the mixture at 37oC. Answer the following questions about an operation involving this patient. • The temperature of the patient is _____oK. • The pressure of the anesthetic (methoxyflurane) in the breathing mixture is ______ atm. • If the operation takes 3 hr., how many g of the anesthetic will be reuired? • How long an operation (minutes) can be supported by 35 g of methoxyflurane? • Carbon dioxide is about 4.4% of the air we exhale. a. If we exhale about 0.5 L of air with each breath, what is the mass of CO2 exhaled with one breath? Assume T = 37oC. b. Glucose (180.16 g mole-1) is oxidized to CO2 according to the equation C6H12O6 + 6 O2 ? 6CO2 + 6H2O. What mass of glucose is oxidized per breath exhaled?
Isopropyl alcohol, a substance sold as rubbing alcohol, is composed of C, H, and O. Combustion of 0.255 g of isopropyl alcohol produces 0.561 g of CO2 and 0.306 g of H2O. Determine the empirical formula of isopropyl alcohol.
gaseous mixture of 2.34 kg of silane, Sih4 and 55.4 kg of Argon. Determine the mole fraction of silane
A compound containing 3 atms of carbon and 8 atoms of hydrogen in a reaction with oxygen molecules. the 2 end poducts of the equationis carbon dioxide an water. what element should you look at first in balancing this equation
The sun produces energy via fusion. One of the fusion reactions that occurs in the sun is How much energy in joules is released by the fusion of 3.06 of hydrogen-1
Dissolving 3.00 g of an impure sample of CaCO3 in an excess of HCl acid produced .656 L of CO2 (measured at 20 degrees C and 792 mmHg). calculate the percent by mass of calcium carbonate in the sample. State any assumptions.
An aqueous antifreeze solution is 55.5% ethylene glycol by mass. the density of the solution is 1.071 g/cm3. calculate the molality. calculate the molarity. calculate the mole fraction.
Arrange the following aqueous solutions in order of increasing freezing points
Given two liters of .407 M KCl how many milliliters of this solution you should use to prepare 250.0 ml of .175M KCl
Calculate the number of grams of oxygen obtained by the total decomposition of 149.5 grams of KClO3
If 4.00 mol of calcium carbide (CaC2) reacts with an excess of water, how many moles of acetylene (C2H2), a gas used in welding, will be produced.
What actions should an exposed person take during the immediate aftermath of the explosion?
calculate the molality m of a 7.25 kg sample of a solution of the solute ethanol dissolved in the solvent water if the
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