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Solvent A solubility: 52g of product in 100 mL at 100 degrees C and 29g of product in 100 mL at 25 degrees C.
If a student started with 2.5021g of crude product, what will be the % yield after one crystallization step using the minimum amount of solvent A that is required for the crystallization step?
a TIre has a volume of 535 cm3 at a temprature of 20 c while in use the temprature of the tire rises to 65 c calculet the new volume of the tire assuming a constant pressure and amount of air?
Explain why the addition of the HCl or NaOH improves the ability of the azo dyes
If He(g) has an average kinetic energy of 4610 J/mol under certain conditions, what is the root mean square speed
What is the theoretical yield(in grams) of aspirin ,C9H8O4, when 2.00g of salicylic acid,C7H6O3, is reacted with4.00g of acetic anhydride
Calculate the maximum amount of CO2 that can be produced when 64.0 g of O2 and 64.0 g of CH3 OH are mixed for the reaction 2 CH3OH + 3 O2 → 2 CO2 + 4 H2 O .
What can you say about the realtive magnitudes of the latice energy of lithium iodide and its heat of hydration?
What mass of magnesium is required to produce enough gas to exert pressure of 0.50 atm in a 50.0 mL flask at a temperature of 25.0 degrees Celcius? show all work.
Lipitor blocks production of chlosterl in the liver. In addition to this reduction of the serum level of cholsterol, HDL acts to remove LDL from the bloodstream. How might this occur?
we have 400g of water at temperature 64 degrees c How much heat energy must be supplied to raise the temperature of water to 90 degrees c.
Gas diffusion and Viscosity are both transport properties, Derive the general relationship between the viscosity for a gas and diffusion coefficient .calculate the diffusion coefficient if Given that the viscosity of Ar is 223 micro Pascals at 29..
what compounds would you use and how would testing these two compounds contribute in your knowledge of the above mentioned subjects
Determine the concentration of a solution prepared by diluting 25.0 milliliters of a 12 molar HCl solution with H2O until the final volume is 2.50 x 10² milliliters.
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