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What mass of H2C2O2 is required to prepare 250 mL of a 0.15 M H2C2O4 solution
Using the ideas regarding the effect of basic anions on salt solubility. Which order is correct for the solubility and the Ksp.
Change in internal energy E, At 25'C, enthalpy change H for the combustion of liquid octane, C8H8(l), to form CO2(g) and H2O(l) is -5471kJmol-1
calculate the osmotic pressure in mm Hg of 6.00 L of an aqueous 0.889 m solution at 30.°c, if the solute concerned is totally ionized into three ions
How would you distinguish between the following compounds? State what you would do and what you would see. (lab associated witht his question used Jones, Lucas, Iodoform tests)
at a given temperature the vapor pressures of benzene and toluene are 183mm Hg and 59.2mm Hg. Calculate the mole fraction of benzene in the vapor phase over a solution of benzene and toluene with Xbenzene=0.600
The gas effuses at a rate that is 0.404 times that of neon in the same apparatus under the same conditions. How many atoms are in a molecule of gaseous white phosphorus?
What volume of 3.50M H2S is required to react with excess O2 to produce enough NH3 to fill a cylinder that is 50ft long and has a diameter of 13 ft at a pressure of 450 torr and 20?F?
How are the opposing pathways of glycolysis and gluconeogenesis prevented from extensive futile cycling? a) The catabolic and anabolic pathways do not take place in the same part of the cell
The white precipitate obtained when cold HCl was added to an unknown solution was completely insoluble in both hot water and NH4OH
For each of these three possible indicators, give an example of an analyte and a titrant which best suits its use. changes color when the solution is slightly acidic (methyl red-HCl and ammonia?)
distilled Solution D: 9.08 (m/v) glucose Solution E: 5.0 (m/v) glucose and 0.9 (m/v) Where does each solution go under 1. Crenation, 2. Hemolysis, 3. Neither. Each solution should be placed under one of the 3 named.
Which of the following reactions will have the greatest rate at 298 K. Assume the frequency factor A is the same for all reactions. EXPLAIN YOUR ANSWER. No credit given if no explanation.
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