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A solution containing 0.2 g/mL of a pure R enantiomer in a 1 dm polarimeter rotataes plane polarized light by +3 degrees. What is the specific rotation of the R isomer? What will be the specific rotation of its S isomer?
The vapor pressure of ethanol is 10. torr at -2.3 degrees celsius and 40. torr at 19 degrees celsius.
For propane, C3H8, the standard enthalpy of combustion of the gas is -2220 kJ/mol and the standard enthalpy of vaporization of the liquid is +15 kJ/mol. Calculate the standard enthalpy of combustion of the liquid.
A sample of zinc metal reacts completely with an excess of hydrochloric acid: Zn(s) + 2HCl(aq) → ZnCl2(aq) + H2(g) The gaseous product is collected over water at 25.0oC and barometric pressure of 0.980 atm.
What are some of the general properties that distinguish metals
If 860 liters of neon at 45°C and 800 mm. are decreased to 700 liters at the same pressure, what is the new temperature of this gas?
the following amino acids are placed in an electric field between positive and negative poles. which will migrate the fastest toward the positive end of the electric field
calculate the mass (g) of the excess reactant after thereaction is complete e. calculate the theoretical yeild (g) of 2,2dibromopropane
The solubility of I2 (s) in .100 M KI solution at 25 degrees celcius is .05135 moles per liter. The .1 M NaN03 provides the same ionic environment as .1 M KI. From this information calculate the concentration of I3-, I-, I2 in the latter solution ..
Scale up the reaction from a 10 mL sample of WVO, 2 mL of methanol and 0.1 g DRANO. Calculate the cost of the reactants to convert one gallon of WVO into one gallon of biofuel.
An extraction procedure specifies that an aqueous solution containing dissolved organic material be extracted twice with 10-mL portions of diethyl ether.
the Ideal Gas Law to calculate the pressure of the vapor at 88 °C; at 66 °C. b) Will condensation occur at 88 °C; 66 °C? Explain. c) On the basis of your answers in a) and b), predict the pressure exerted by the water vapor in the flask at 88 °C; ..
What are the respective concentrations (M) of Na and SO4 ions formed by dissolving 0.600 mol Na2SO4 in 135 mL water?
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