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A mixture of 0.258 g of H2, 2.10 g of N2, and 2.82 g of Ar is stored in a closed container at STP. Find the volume of the container, assuming that the gases exhibit ideal behavior.
A 13.71g of NaBr contains 22.34%na by mass. Regard as the law of constant composition. Explain how many grams of sodium does an 8.71 g sample of sodium bromide contains.
Compute the actual free energy of hydrolysis of ATP in human erythrocytes. The standard free energy of hydrolysis of ATP is -30.5 kJ/mol, and the concentrations of ATP
A buffer solution is prepared by dissolving 1.50g each of benzioc acid C6H5CO2H and sodium benzoate NaC6H5CO2 in 150.0mL of solution.
A centrifuge and dryer are used to remove water from solid material. A mixture of 38% solids is centrifuged to 65% solids and then dried to 4.0% moisture.
at room temperature 20 degrees celsiusmilk turns sour in approximately 63 hours. in a refrigerator at 3 degrees celsius
Find the real activity of the anions for solution of 1M H3PO4, which is at 25 degree celsius and assume that all ions present follow the Debye-Huckel limiting
lng liquefied natural gas is essentially methane gas cooled to -160 c at which temperature it condenses to the liquid
If the population also experiences little disease at that time, the region is most likely to have a(n) _____.
A weather ballon is filled with helium to a volume of 305L at 28 degree celcius and 751 mmHg . The ballon ascends to and altitude where the pressure is 504 mmHg and temperature
A reaction that is first order in A has a rate constant of 0.72/min If the initial concentration of A is 1.60 M, what is the concentration after one minute
what is the minimum pressure in kpa that must be applied at 25 degc to obtain pure water by reverse osmosis from water
Calculate the number of grams of NO2( molar mass=46.01 g/mol) gas inside a .500 L container at STP.
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