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As a scuba diver descends under water, the pressure increases. At a total air pressure of 2.96 atm and a temperature of 25.0 C, what is the solubility of \rm N_2 in a diver's blood? [Use the value of the Henry's law constant K calculated in Part A, \rm 6.26\times 10^{-4}\;\rm mol/(L\cdot atm).]
Assume that the composition of the air in the tank is the same as on land and that all of the dissolved nitrogen remains in the blood.
The reactant concentration in a zero-order reaction was 7.00×10-2 after 105 and 1.50×10-2 after 350 . What is the rate constant for this reaction.
what starting material are needed to prepare the following compound using malonic ester synthesis
A cylinder equipped with a piston expands against an external pressure of 1.58 atm. If the initial volume is 0.485 L
It is important to allow each spot added to the chromatography paper to dry completely before adding another spot.
What is the pH of a solution prepared by mixing 25.00 mL of a 0.10 M solution of the weak acid CH3CO2H with 25.00 mL of 0.040 M sodium acetate, CH3CO2Na? Assume that the volume of the solutions are additive and that Ka = 1.8 ?* 10-5 for CH3CO2H.
Explain what is meant by Chousekeeping gene and why the gene for enolase is not considered a housekeeping gene despite it being expressed in all tissues.
The solubility of KNO3 is 38 g/100 g H2O at 20 degrees Celsius and 1.50 times 100 g/100 g H2O at 70 degrees Celsius. A solution is prepared by mixing 45 g of KNO3 in 35 g H2O at 70 degrees Celsius. Will all of the potassium nitrate dissolve at 70 ..
A mixture of CO2 and N2 gases has an experiment density of 21922 mol/m3 at T=225K and Pressure= 68.759 MPa and Z=1.67661. What is density of this mixture of gases in mol/m3 by Peng-Robinson equation of state? (Mole fraction of Co2= 10.56%)
a) H2 (g) + Br2 (g) â?" 2 HBr (g) + heat [0.513] [0.62] [0.346] b) N2O4 (g) + heat â?" 2 NO2 (g) [0.0325] [0.022] c) NH4SH (g) â?" NH3 (g) + H2S (g) + heat [0.027] [0.0234] [0.209] Calculate Ke for the following (equilibrium concentrations give..
Balance the following skeleton reaction, calculate Ecell, and state whether the reaction is spontaneous:
A sample of gas with an initial volume of 32.5 L at a pressure of 760 mmHg and a temperature of 315 K is compressed to a volume of 16.3 L and warmed to a temperature of 435 K
What wavelength of light would you report in units of nm, if the light had a wavelength of 7.60 x 10-10 m?
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