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A 2.00 L glass soda bottle filled merely with air is tightly capped at 24 C and 744.0mmHg. If the bottle is positioned in water at 75C what is the pressure in the bottle?
For each solution, determine the number of moles of HAn and of An- ion at equilibrium. For each solution, caluate the HAn and An- ion molar equilibrium concentrations. Determine the reciprocal of the An- ion concentration for each solution.
Why is the Beer - Lambert law in units of absorbance rather than in units percent transmittance
Enter the appropriate symbol for an isotope of phosphorus-32 corresponding to the isotope notation \rm ^A_ZX. Express your answer as a chemical symbol using isotope notation.
Calculate the pH of a buffer solution that is 0.250 M in HCN and 0.170 M in KCN. For HCN, Ka = 4.9 x 10^-10 (pka = 9.31). Use the equilibirum approach to calculate
The solution freezes at -0.085C. How many grams of urea were dissolved to make this solution? Please show work
Determine the partial pressure and total pressure of the gases and Find the partial pressure of carbon dioxide in a gas mixture
If the vapor pressure of pure water at 25 degrees Celsius is 24 mmHG and that off pure methanol is 120 mmhg. Define what is the vapor pressure of the solution of methanol and water at 25 degrees Celsius.
Magnesium carbonate, MgCO3, has a Ksp value of 6.80×10?6 . What happens when magnesium and carbonate solutions are mixed to give 2.50×10?3M Mg2+ and 2.00×10?3M CO3 2-?
solution if its conjugate acid. What is the pH of this combined solution? Always give two numbers after the decimal place
if the titrant has a molarity of 0.2000 m and there are 50.00 ml of analyte present what is the molarity of the
The zincblende structure of ZnS has the relatively large sulfide ion arranged at the lattice points of a face-centered cubic structure. The edge length of cubic unit cell is 540.9 pm. Determine the density of zincblende.
What is the silver ion concentration in a solution prepared by mixing 353 ml of .357 M silver nitrate with 425 ml of .494 M sodium carbonate?
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