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Problem- Without using the appendix, arrange each group in the order of increasing standard molar entropy, S, and explain your order:
a) Fructose C6H12O6, ribose C5H10O5, lactose, C12H22O11
b) [Mg (s) + S (s) + 2O2 (g)], [MgO (s) + SO3 (g)], MgSO4 (s)
c) As (s), Bi (s), Sb (s)
d) Dihydrogen phosphate ion, hydrogen phosphate ion, phosphate ion
Please explain why you chose your answer!
A mixture of nitrogen and oxygen gas is collected by displacement of water 30 degrees celsius and 700 torr Hg pressure. If the partial pressure of nitrogen is 550 torr Hg, what is the partial pressure of oxygen? (Vapor pressure of H2O at 30 degree..
Calculate the amount of calcium fluoride, which is insoluble(CaF2. formula weight 78.1 g/mol) formed by the reaction of 30 mL of 0.80 M hydrofluoric acid with 20 mL of 0.50 M calcium chloride.
We utilized the spectrophotometer to measure the values of OD absorbtion of proteins left over from the iron exchange column chromatohraphy. According to the lab protocal the cuvettes with the heighest OD values contains the most proteins why is t..
For the Ca2+ and F- ions, write the mathematical relations defining activity of each ion in terms of its concentration and activity coefficient. e) Based on your answers above, derive a relationship for Ksp' in terms of Kspo and activity coefficie..
The mass of an electron is 9.11\times 10^{-31}~\rm kg. If the de Broglie wavelength for an electron in a hydrogen atom is 3.31\times 10^{-10}~\rm m, how fast is the electron moving relative to the speed of light? The speed of light is 3.00\times10..
Assume for simplicity that the volume of the mixture is exactly equal to the sum of the volumes of the ingredients (which is not true, by the way). What is the mass concentration of oxygen in the mixture?
525mL of 1.50M NaCl is added to a beaker containing 378mL of 2.22M AgNO3, resulting in the formation of AgCl precipitate.
Examine the nuclide neptunium-237. The nuclide has a measured nuclear mass of 237.048166 amu. Determine the binding enery in kj, kj/mole
A solution of 1.00 g of anhydrous aluminum chloride AlCl3, in 50.0 g of water is found to have a freezing point of -1.11 degrees Celsius. Explain. Kf (H20) = 1.86 degrees Celsius/m.
Identify the type of interactions involved in each of the following processes taking place during the dissolution of sodium chloride in water. -Interactions between water molecules
how many grams of iron will react with water to form iron (III)oxide and 85 liters of hydrogen gas at 19 degrees celsius & 525 torr?
A 100 ppm quininesulfate ( MW = 782.97 g/mol) solution was used as the standard. Assuming that your original (undiluted) sample contained 142 ppm of quinine sulfate, calculate the amount in ppm of quinine in the sample.
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