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Explain what is the mole fraction of solute and the molal concentration for an aqueous solution that is 10.0% NaOH by mass? Explain what is the molality?
Reactions within equations and properties of acidity, A reaction occurs for each of the following below. How do you differentiate between the different driving forces? (a driving force can either be the transfer of electrons; the formation of a pr..
question you need to produce a buffer solution that has a ph of 5.23. you already have a solution that contains 10 mmol
What is the difference between Kc and Qc? How can you use Kc and Qc to predict the direction of equilibrium mixture to move?
Calculate the equilibrium constant, Ka for the acid, HA if, at equilibrium, the pH of a 2.3 M solution of HA is 1.62
Derive the relationship between the total energy and the molecular partition function for indistinguishable particles.
Calculate (a) the mole fraction of the solute, (b) the number of moles of solute in the solution, and (c) the molecular mass of the solute.
A cube of a silver-colored metal with a volume of 64 cm3 has a mass of 672 g. The density of pure silver is 10.5 g/cm3. Is the metal pure silver?
a certain nitrogen-oxygen compound contains 36.84 n by mass and the remainder is oxygen. what is the empirical formula
The freezing point of blood is -0.52C. (a) What is the osmotic pressure of the blood at 25C? (b) What is the vapor pressure lowering of the blood at this temperature?
Explain the halogens form compounds among themselves, called interhalogens and their formulas are XX', XX'3 and XX'5, where X is the heavier halogen atom. Forecast their structures and bond angles
What do the structures of a two-carbon acid, a two-carbon alcohol, a three-carbon aldehyde, a four-carbon ketone, and a two-carbon amide look like
How much heat energy is needed to raise the temperature of 2.01 Kg of this oil from 23 C to 191 C?
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