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1.A sample of hydrogen gas (H2) is in a 2.98 L container at 708 torr and 19 oC. Express the pressure of hydrogen in atm after the volume has changed to 1.41 L and the temperature is raised to 210 oC.2.A sample of methane gas (CH4) at 18.8 oC is heated. The pressure increases from 1.78 atm to 2.46 atm, and the volume of the sample changes from 4.09 L to 1.89 L. To what temperature, in oC, was the methane heated?
Determine which girl has the solutions at the concentrations desired and Girl A dilutes 10 mL stock solution to a final volume of 20 mL. Girl B dilutes 10 mL stock solution to a final volume of 40 mL.
when 20.6gm of methanol and 39.7gm of chlorine under go reaction that has 73.3% yield, what mass of chlormethene CH3Cl forms
In addition to long strings of carbon atoms, another common type of carbon structures, which are generally pretty smelly, come in the form of
if the reaction produces 5.72 grams of a compound called magnesium ammonium phosphate,MgNH4PO4. what is the percentage of phosphorus in the original plant food sample?
Calculate the partial pressure of O2 produced from 1.71 liters of .64 M N2O5 solution at 45 degrees C over a period of 24 hours if the gas is collected in an 11.5 L container, assuming that the products dont dissolve in chloroform.
In a 0.400 mol/kg aqueous solution of sucrose, the molarity of sucrose is 0.282 mol/dm3 and the density of water is 0.998 g/cm3 at 20oC and 1 atm. Estimate the osmotic pressure of this solution.
Calculate the membrane potential at 25°C. How would you calculate the membrane potential if it is permeable for Na+ ions in addition to K+
a solution contains a mixture of pentane and hexane at room temperature. the solution has a vapor pressure of 268 rm
calculate the crystal field splitting energy in Kj/mol for blue soloution containing the copper complex [Cu(NH3)6]^2. the solution exhibits
Calculate the mass of water produced when 5.41 g of butane reacts with excess oxygen
Give the titration curve for the reaction of C5H5N with HCl. The known solution is the acid, and the base is added to the acid.
compound a is c4h9cl and shows two 13c nmr resonances. compound b is an isomer of compound a it shows four 13c nmr
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