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An aqueous solution containing 5.38g of an optically pure compound was diluted to 200.0 ml with water placed in a polarimeter tube 20.0cm long. The measured rotation was -3.43degrees at 25 C. Calculate the specific rotation of the compound.
What are the possible values for the principal quantum number (n), the azimuthal quantum number (l) and the magnetic quantum number
Use the van der Waals equation of state to calculate the pressure of 4.00 mol of NH3 at 455 K in a 5.90-L vessel.
A chemist dissolves 0.9 g of an unknown monoprotic (one acidic H) acid in water. She finds that 14.6 mL of 0.426 M NaOH are required to neutralize the acid.
The sample is placed in a drying dish (weight = 0.5000 g before the sample is added), and then placed in an oven at 104°C until all the moisture is evaporated
Write the balanced neutralization reaction between H2SO4 and KOH in aqueous solution. .150 L of .430 M H2SO4 is mixed with 0.100 L of .230 M KOH. What concentration of sulfuric acid remains after neutralization
The lowering of vapor pressure is expressed as Raoult's law. An ideal solution obeys Raoult's law. Discuss the reasons why real solutions differ from Raoult's law.
if the reaction rate doubles when the temperature is increased to 35 circ rm c what is the activation energy for this
How many kilograms of sodium carbonate must be added to neutralize 2.01×103 kg of sulfuric acid solution?
evaporating sweat cools the body because evaporation is endothermic and absorbs 2.44 per gram of water evaporated.
In a calibration of a calorimeter, 50.0 g of water at 60.0 c is added to 50.0 g of water at 20.0 c to give a mixture at 39.0 c. what is the heat capacity of the calormieter used in this experiment. If calorimeter has a mass of 5.4 g, what is it sp..
calculate the Henry's law constant for oxgen solubility in freshwater undr these conditions
Using the data on a seperate page for the determination of heat of nuetralization extrapolate to the mixing time, determine the intial and final temp for the solutions. 50mL of 2.0M HCL and 2.02M NaOH were mixed and the heat neutralization was det..
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