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How do I calculate molar extinction coefficients from a UV visble spectrometer and use it to determine the geometry of complexes
a copper cube measuring 1.58cm on edge and an aluminum cube measuring 1.68cm on edge are both heated to 56.4 degrees c
Determine the amino acid sequence of a heptapeptide from the following data. Briefly explain the meaning of the results in each of the following treatments.
Calculate the heat capacity of a calorimeter if the combustion of 4.660 g of benzoic acid led to an increase in temperature of 7.148 degree celsius.
When iron (Fe) crystallizes, it forms body centered cubic cells. The unit cell edge is 287 pm. Calculate the density of iron in g/cm cubed
How many grams of magnesium chloride must be dissolved in 568 g of water to give a solution that freezes at -2.38°C
considering the given equation as al2o3s rarr 4 als 3 o2g . where ?h 3339.6 kjmol determine ?h for the formation of
What mass of AgBr would precipitate from this mixture? [Hint: Ksp of AgBr = 5.4*10^-13 and Kf of Ag(CN)2 is 1.0*10^21]
carbon dioxide escapes due to A leak , leaving only 3.5 moles of CO 2 inside the balloon. Determine the new volume of the balloon?
Calculate the number of 5.70m NaOH must be added to 666 ml of a buffer that contains .0205m C2H4O2 and .0260m C2H3NaO2 to increase the ph to 5.75.
A Solution is prepared by mixing 79 mL of 5.00M HCl and 24.0 mL of 8.00M HNO3. Water is then added until the final volume is 1.00L. Calculate [H+],[OH] and the pH for this solution.
when a suspension of particles is centrifuged the sedimentation rate of a particle is proportional to the force
a) What must be the velocity of electrons if their associated wavelength is to equal the longest wavelength line in the Lyman series
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