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What is the % of the R enantiomer in a sample of carvone that has a specific rotation of 30, given that the specific rotation of R-carvone is -61?
A 4.5-g sample of LiCl at 25 degrees Celsius dissolves in 25.0 mL of water also at 25.0 degrees Celsius. The final equilibrium temperature of the resulting solution is 60.8 degrees Celsius. What is the enthalpy of , H, of LiCl expressed in kilojou..
If the reaction 2 NO(g) + O2(g) ? 2 NO2(g) is carried out at standard conditions, what is the total pressure. What is the temperature under standard conditions
Why is it preferable to use a metal ion buffer to achieve pM = 7, rather than just dissolving enough M to give a 10-7 M solution?
Stishovite is a high pressure form of SiO2 found in meteorite craters. While normal SiO2 has the quartz structure, in which each Si is coordinated by four O atoms
Calculate the the concentration of C4H9NO in a 1.50×10^?2 M morpholine solution. Given: pH= 10.25 and pKb= 5.68
What is the volume percent concentration of (a) 35.0mL of water in 725mL of an ethanol-water solution,and (b) 78.9mL of acetone in 1550
Explain in detail including all resonance arguments why electron withdrawing groups are found to be meta directors,
0.3 M NaH2PO4 calculate acidic and basic buffer capacity. How muc of strong base needed to bring buffer pH one unit up?
Determine the empirical and molecular formulas of anthraquinone.
How many grams of CO are needed to react with an excess of Fe2O3 to produce 558 g Fe? The equation for the reaction is: Fe2O3(s) + 2 CO(g) → 3 CO2(g) + 2 Fe(s)
The freezing point of an aqueous solution containing 15 g of a nonelectrolyte in 150 mL water is -5.4°C. What is the molecular weight of the compound? Kf = 1.86°C/m for water.
calculate avaerage rate of decomposition of H2O2 between 0 & 4.32 x 10^4 s.
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