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The average concentration of sulfate ion in seawater is 2710 mg of sulfate ion per kg of seawater. What is the molarity of the sulfate ion if the density of the seawater is 1.025 g/mL?
considering the energetics of change of H and change of S values of solute/solvent interation, solvent/solbent interactions and aolut/solvent interactions
The solubility of nitrogen in water exposed to the atmosphere, where the partial pressure of nitrogen is 593 mm, is 5.3 × 10-4 M. At the same temperature, what would be the solubility of pure nitrogen, at a pressure of 760 mm
Calculate the vibrational partition function of CS2 at 500K given the wavelength 558 cm-1 (symmetric stretch), 397 cm-1 (bend; two modes), and 2097 cm-1 (asymmetric stretch)
A mixture is at equilibrium at a temperature of 492 K and contains 0.997 M NH3 and 0.211 M H2. Determine the concentration of N2 at equilibrium if the Kc = 170. N2(g) + 3 H2(g) ? 2 NH3(g).
which is used as a sugar substitute, is produced by the reduction of D-xylose. Draw xylitol. show all hydrogen atoms, and connect the appropriate atoms using bonds
Out of what will you construct your calorimeters? please answers have to be related to chemistry and specifically to this experiment.
A 128.2mL sample of 0.15M solution of H3PO4 is titrated with 0.18M NaOH. What volume of base must be added to reach the third equivalence point
State the compositions and relative proportions of the two phases present after a solution initially at thjis mole fraction (0.300) is heated to 394.94.
A reaction is preformed in aqueous solution, and the temperature of the solution increases by 15.78 degrees celcius. Is the reaction exothermic or endothermic?
At a given temperature,0.0500 mol NO, 0.200 mol Cl2, and 0.550 mol CINO were placed into a 1.00 L container. The equilibrium below was established and 0.250 mol of CINO is present. Determine the equilibruim constant (Kc).
how far will they be separated (in cm) from each other on a plate when the solvent front is developed to 15cm? Draw an approximate picture if what the TLC slide would look like.
Using your knowledge of hydroboration/oxidation mechanism, predict major and minor products
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