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The normal boiling point of water is 100 C as well as its molar enthalpy of vaporization is 40.67 kJ/mol. Explain what is the change in entropy in the system in J/k when 39.3 grams of steam at 1 atm condense to a liquid at the normal boiling point?
What difficulties could you encounter trying to determine the cp of a chunk of metal that has a hollow center?
The density of helium gas at 273K and 1.00 atm is 1.76E-4 g/mL. What is the volume (in L) of a balloon containing 9.24 g of helium under the same conditions?
When a solute reaches its solubility limit in a solvent, the dissolution process completely stops. When a solute has large solubility in a solvent, the two compounds are miscible to each other.
calculate a value for the equilibrium constant for the reaction below. hint when reactions are added together the
The temperature of the calorimeter plus contents increased from 21.12°C to 29.85°C. What is the heat of combustion per gram of octane? What is the heat of combustion per mole of octane?
The most important commercial process for generating hydrogen gas is the water-gas shift reaction: CH4(g) + H2O(g) ? CO(g) + 3H2(g) Use tabulated thermodynamic data to find ?G° for this reaction at the standard temperature of 25°C.
In a synthesis experiment you obtain a sample of product on which you do a melting point determination and find a melting point range of 108.0 to 114.3 degrees Celsius.
A mass of mercury occupies 0.950 L. What volume would an equal mass of ethanol occupy? The density of mercury is and the density of ethanol is 0.789 g/mL.
In 1989, the Exxon Valdez ran aground and spilled 240,000 barrels of crude oil off the coast of Alaska, leaving a 0.5 mm thick layer of oil covering the waters of Prince William Sound. Using the conversion factors given below, determine the area o..
What happens to the interference pattern that results from the diffraction of electrons passing through two closely spaced slits if the rate of electrons going through the slits is decreased to one electron per hour
The hydration of carbon dioxide (add water to CO2) produces carbonic acid and is part of the equilibrium that controls carbon dioxide levels in the blood during respiration of vertebrate organisms. How can this reaction be explained using the Lewi..
Based on a Kc value of 0.170 and the given data table, what are the equilibrium concentrations of XY, X, and Y, respectively
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