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Vapors are likely to be non-ideal near condensation temperatures. Would you expect such behavior to make your molecular mass to high or too low? Explain
What are the values of [H+], [H2PO3-], and [HPO32-] in a 3.0 M solution of H3PO3? What is the pH of the solution?
When scuba diving, it is important to come back to the surface of the water from deep dives slowly. If this does not happen, then the diver can get the ?bends?.
Light with a frequency of 7.11 x 10 -14 Hz lies in the violet region of the visible spectrum. What is the wavelength of this frequency of light? Answer in units of nm.
The temperature of a 150 gram drinking hlass decreased from 25 to 14 * C as 200 grams of water were added
A 0.5220g sample of an unknown monoprotic acid was titrated with 9.96*10^-2 M NaOH. The equivalence point of the titration occurs at 23.84mL.
if equal masses of N2 and H2 (7.00 grams each) are combined to produce ammonia NH3, how many grams of ammonia could be produced at maximum yield?
To resolve an object in an electron microscope, the wavelength of the electrons must be close to the diameter of the object. What kinetic energy must the electrons have in order to resolve a protein molecule
2. 0.33g of KOH is dissolved in 350.0ml of ethanol and 1.45g of C2H5I is dissolved in 350.0ml of ethanol. Assuming the reaction is first order, when equal volumes of the two solutions are mixed, what is the initial rate at 40oC?
What molar ratio of benzoate ion to benzoic acid would be required to prepare a buffer with a pH of 5.20? [Ka(C6H5COOH) = 6.5 × 10-5]
A gas cylinder that contains argon has an internal volume of 6.88 L. A pressure gauge attached to the cylinder reads 1870 psi (1 atm = 14.7psi) at 20.0C.
The log P value for nicotine is 1.09. If 20 mL of 0.10 g/mL nicotine solution in water is extracted with 20 mL of octanol, how much nicotine is removed from the water layer into the octanol layer?
Two groups of students prepared the compound acetamide. Group A isolated is a solid with a melting point of 80.5 degrees C. Group B obtained a compound with a melting point of 74-77 degrees C
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