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The following lists vapor pressure data for Ethylbenzene from Perry's Chemical Engineering Handbook: Pressure (mmHg) 400 200 100 60 40 20 10 5 Temp (?C) 113.8 92.7 74.1 61.8 52.8 38.6 25.9 13.9 a.) Determine the numerical values of the parameters A, B, and C in the Antoine equation relating vapor pressure of pure substances to temperature using an appropriate linear regression procedure. How do these values compare to those given in the appendix of the textbook (Smith, Van Ness and Abbott)? b.) What is the predicted normal boiling point temperature of ethylbenzene? c.) Using 2 point linear interpolation from the data, what is the boiling point at 75 mm Hg? What is the value using the fitted Antoine parameters?
The minimum energy required to break an oxygen-oxygen bond in ozone (O3) is 387 kJ/mole. What is the longest wavelength of light
Write the reactions for the preparation of the diaonuim salt for the coupling of the salt with the sodium salt of 2-napthol. 2. Write the reaction of the sodium salt of para red when treated with 1 M H2SO4. Why does a precipitate form?
A 530. g piece of copper tubing is heated to 89.5°C and placed in an insulated vessel containing 159 g of water at 22.8°C. Assuming no loss of water and heat capacity for the vessel of 10.0 J/K
a particle moving 30,816 km/hr has a wavelength of 725 nm. What is the mass of the particle?
2N2H4 (aq) + H2SO4 (aq)--> 2 N2H5+So4^-2(aq) how many grams of hydrazine can be consumed by 250.ml of 0.225 M H2SO4?
If the reaction is allowed to proceed until all substances have reached their equilibrium concentrations, determine delta G for the reaction.
What mass of sucrose should be combined with 468 of water to make a solution with an osmotic pressure of 8.75 at 295 ? (Assume the density of the solution to be equal to the density of the solvent.)
How many grams of nickel nitrate, Ni(NO3)2, must be dissolved to prepare 200 mL of a 0.152 M aqueous solution of the salt.
A sample of H½O with a mass of 46.0 grams has a temperature of -58.0 C. How many joules of energy are necessary to melt 46.0 grams of ice? (Use 2.1 J/g.C for the specific heat of ice, and 334.4 J/g for the heat of fusion of water.)
Explain how does unique physical and chemical properties of water contribute to significance of water for life on Earth to survive.
a cylindrical glass tube 13.0 cm in length is filled with mercury. The mass of mercury needed to fill the tube is found to be 107.5g. Calculate the inner diameter of the tube in centimeters.
What is the smallest amount of CuO (in moles) that would establish the equilibrium?
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