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A sample of Na2SO4 (s) is dissolved in 225g of water at 298 K such that the solution is 0.25 M in Na2SO4. A temperature rise of 0.112 degrees Celsius is observed. the calorimeter constant is 330.0 J/K. Calculate the enthalpy of solution of Na2SO4 in water at this concentration. Compare your result with that calculated using data tables.
What is the pH of the rainwater assuming all the sulfuric acid is in the liquid water droplet? Hint: The "per m3" means per m3 of air for both [H2SO4] and the cloud liquid water.
considering the given equation cs co2g-2cog this is the hetrogenous equilibruim processthe total pressure of the system
Important information about Thermochemistry, Glauber's salt, sodium sulfate decahydrate (Na2SO4 * 10H2O) undergoes a phase transition (that is melting or freezing) at a convenient temp of 32 degrees C
The concentration of sulfuric acid in the lead-storage battery of an automobile over a period of time has decreased from 38.0 percent by mass (density = 1.29 g/mL) to 26.0 percent by mass (1.19 g/mL). Assume the volume of the acid remains constant..
Titanium tetrachloride, TiCl4, has a melting point of -23.2 C and has a Delta H fusion = 9.37 kJ / mol.
Which of the functions : sin3x, 6cos4x, 5x^3, 1/x, 3e^-5x, ln 2x, are eigenfunctions of d^2/dx^2. For each eigenfunction, state the eigenvalue.
Which of the following statement is true. and why. a. Exothermix processes decrease the enthrophy of the surroundings. b. Enthrophy is not temperature dependent
The corresponding nitrogen-containing anion NO4^3, is unstable but can be prepared by reacting sodium nitrate with sodium oxide at 300 degrees C. Draw Lewis structures for each anion. What are the differences in bonding between these ions
when 0.629 g of ca metal is added to 200.0 ml of 0.500 m hclaq a temperature increase of 102c is observed. assume the
Write a balanced chemical equation that shows the reaction that occurs when an aqueous solution of BaCl2 reacts with an aqueous solution of Na2SO4 to form aqueous sodium chloride and solid BaSO4. In your equation, you should indicate the physical ..
Ethylene glycol, C2H4(OH)2 is a colorless liquid used as automobile antifreeze. If the density at 20 degrees celsius of a 4.028 m solution of ethylene glycol in water is 1.0241 g/ml, what is the molarity of the solution? The molar mass of ethylene..
The Haber process is an important reaction for the fixation of nitrogen, nitrogen is converted into ammonia, an important component in the production fertilizers. N2(g) + 3H2 = 2NH3(g) + 22,000cal
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