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When a pure solvent freezes the temperature remains constant till all liquid is frozen (thus the freezing point). When the solvent in a solution freezes the temperature keeps decreasing. Explain why you do not see a steady freezing point for a solution.
What are the possible values of the magnetic quantum number A.) all the positive integers: 1,2,3, etc. B.) represented by the formula: m = 2k + 1, where k is a positive integer C
The three gases N2, O2, and NO are in equilibrium. The formation of NO is endothermic. Write the equation for the equilibrium. (Type your answer using the format CO2 for CO2. Use the lowest possible coefficients.)
A reaction at 4.39 atm consumes 5.20 L of a gas adiabatically (q = 0). Calculate the change in internal energy of the system (in kJ).
Why do carboxylic acids (-COOH) compounds have higher boiling points than simple alkanes of the same molecular weight
What is its solubility under atmospheric conditions? (The partial pressure of CO2 in air is 0.00055 atm.) Assume that CO2 obeys Henry's law.
The viscosity of the broth is 1.5 cp, the particle density is 15 g/liter and the specific cake resistance (a) is 8.5x1010 cm/g. The diameter of the filter drum is 1.25 m and it length is 1.5 m. Calculate the required pressure drop across the filte..
Calculate the theoretical pH of 0.250 M weak acid, HA. Calculate the theoretical pH of a 2.5 x 10-3 M weak acid, HA, that has a Ka value of 1.2 x 10-4. What happens to % ionization of the weak acid as you dilute the acid?
What is the pH of the buffer that results when 12.5 g of NaH2PO4 and 22.0 g Na2HPO4 are mixed and diluted with water to 0.500 L. The acid dissociation constants for phosphoric acid are
One mole of any gas has a volume of 22.414 L at STP. What are the densities of the following gases in g/L at STP
what is the total number of joules absorbed by 65.0g of water when the temperature of the water is rasied from 25.0 c to 40,0 c?
3. lactic acid hc3h5o3 is a monoprotic acid that dissociates in aqueous solution as represented by the equationnot
Based on this equation, what is the value of the Rydberg constant (R) in m^-1? (5 significant figures)
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