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An oxygen cylinder has a volume of 50.0 liters and a pressure of 200.0 atmospheres. If this cylinder is used to supply oxygen to a patient at a flow rate of two liters/minute ( at 1.00 atm pressure) how long will the take last?
a. 50.5 hoursb. 83.2 hoursc. 135 hoursd. 1.35 x 10^4 hours
completely neutralizes stomach acid (HCl, .10M) How much carbon dioxide is made at STP (37 C, 767 torr, 100% humidity) by ingesting one 1.834 gram tablet
An experiment shows that a dry 113-mL gas sample of a pure gas has a mass of 0.171 g at a pressure of 721 mmHg and a temperature of 32.0 °C. What is the molar mass of the gas
The acid catalyzed dehydration of 4-methycyclohexanol to 4-methycyclohexene is a reversible reaction that can be shifted to the alkene product according to le chaterlier's principle. Briefly explain how distillation brought about this shift in equ..
1.00 mol of glucose was dissolved in water to form 1.00 L of solution at 298 K and 1 bar. Calculate the chemical potential of water, glucose and free energy of mixture. Data for water: density 1.00 g/cm3, molar mass 18.02 g/mol, ?fGo(H2O,l) = -237...
ch4202co22h20 h.889.1kjhfh20-285.8kj hfco2-393.5kjwhat is the standard heat of formation of methane ch4 as calculated
Alkenes can be converted to alcohols by reaction with mercuric acetate to form a ?-hydroxyalkylmercury(II) acetate compound, a reaction called oxymercuration. Subsequent reduction with NaBH4 reduces the C-Hg bond to a C-H bond
what volume in milliliters of a 0.141 solution is required to reach the endpoint in the complete titration of a 16.0
A graduated cylinder contains 155 mL of water . A 15.0-g piece of iron (density = 7.86g/cm^3) and a 20.0-g piece of lead (density = 11.3 g/cm^3) are added. What is the new water level, in milliliters, in the cylinder? motion commented
Given the three isomeric alcohols, 2,2-dimethyl-1-butanol, 2-methyl-2-pentanol, and 2-methyl-3-pentanol, which are chiral
If you used 0.165mL of acetic anhydride, and 0.167g of p-aminophenol what was the limiting reageant? How many moles of the non-limiting reageant remained after the reaction was complete
The experimentally measured density under the same conditions is 3.10 g/L. Account for the discrepancy between your calculated value and the experimental result.
Consider a metal atom, which we will give the symbol M. Metal M can readily form the M+ cation. If the sphere on the left below represents the metal atom M, which of the other three spheres would probably represent the M+ cation? Explain your choi..
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