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Consider a solution that contains 81.0% R isomer and 19.0% S isomer. If the observed specific rotation of the mixture is -64.0°, what is the specific rotation of the pure R isomer
How many photons strike the CD surface during the playing of a CD 69 minutes in length?
Calculate the values of E for the cell when the following volumes of the Cu titrant have been added: (Activity coefficients may be ignored as they tend to cancel when calculating concentration ratios.
A second-order reaction A?B begins at noon with [A] = 0.1 M. If the rate constant k = 0.033 M-1 s-1, at what wall clock time will [A] = 0.01 M
When 20 mL of a 135 mL stock solution containing 1.5 M CaCl2 is diluted to 103 mL, how many moles of Ca2+ are in the new solution?
If the synthesis of 1.0 mol of ATP requires a ?G of 37.7 kJ, how many moles of ATP are synthesized per mole of oxygen consumed
A voltaic cell is constructed with two Zn+2-Zn electrodes. The two cell compartments have [Zn+2]=5.00 M and [Zn+2]=1.00 x 10^-2 M, respectively. What is the standard emf of the cell?
To calculate the number of molecules of a gas using ideal gas law and Avogadro's number - How many ozone molecules are present in 1.0 L of air under these conditions?
calculate how much CaCN2 is required to form 12.6 moles of ammonia? Given that the percent yield is 65.8%?
What is the theoretical yeild of sodium carbonate for the equation: 2NaHCO3(s)--> Na2CO3(aq) + H2O(g) + CO2(g)
What is the half life? How long would it take for the concentration of CH3NC to decrease to 75% of its initial value? to 30% of its initial value
A reaction has a rate constant of 1.27×10?4 /s at 28 degrees C and 0.226 /s at 78 degrees C. Determine Activation Barrier. What is the value of the rate constant at 16 degrees C?
When carbon is burned in air, it reacts with oxygen to form carbon dioxide. When 16.8g of carbon were burned in the presence of 57.4g of oxygen, 12.6g of oxygen remained unreacted. What mass of carbon dioxide was produced
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