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If a pure R isomer has a specific rotation of -120.0 degrees, and a sample contains 81.0% of the R isomer and 19% of its enantiomer, what is the observed specific rotation of the mixture?
What would be your average speed in cm/s?(c) what would be your time (in minutes:seconds) for 1500m? show your work
a ball is thrown verticall downward with an initial speed 11.3 m from a roof of a building 39.0m above the ground .how long doest it take to reach the ground? what is its speed of impact?
Balance the equation below using the smallest whole numbers for coefficients assuming the redox reaction occurs in acid solution. Add water where appropriate
Why are homopolymers of polyethylene and isotactic polypropylene rigid plastics, but ethylene-propylene (EPR) copolymer soft
If a reaction vessel initially contains only co and NH3 at concentrations of 1.00 m and 2.00m , respectively, what will the concentration of HCONH2 be at equilibrium?
The solution has a density of 1.286 g/cm3. Calculate E for the cell. Assume all the H+ ions come from the first dissociation of H2SO4, which is complete.
find the mass of C3H8 required to generate 2.5x10^8 KJ of energy when combusted with O2 gas to produce CO2 gas and water vapor.
the water level in the collecting vessel is the same as the outside level. Atmospheric pressure is 756.0 Torr and the temperature is 25 degrees C. Calculate the atomic mass of the metal.
Consider the combustion of methanol: 2 CH3OH(g) + 3 O2(g) 2 CO2(g) + 4 H2O(g). If CO2 is produced at the rate of 0.8 mol/s, what is the rate of consumption of O2?
Nickel oxide crystallizes in the NaCl type of cystal structure. The length of an edge of the unit cell of NiO is 4.18A. What is the NiO bond length?
you have a 30.0 L cylinder of helium at a pressure of 132 atm and a temperature of 24 degrees Celsius. the He is used to fill balloons to a volume of 3.00 L at 1.07 atm and 29 degrees Celsius.
If 200 mL of a .20 M HCl solution is consumed in the above reaction, how many grams of each product would be produced?
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