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A 500.0-g iron bar at 212 degrees Celsius is placed in 2.0-L if water at 24.0 degrees Celsius. Explain what will be the change in temperature of the water? Presume no heat is lost to the surroundings.
A student measures the volue of acetone delivered by a 5 mLvolumetric pipette several times and obtains volumes of 4.98, 4.95, 4.86, 4.91 and 4.90 mL. The average volume delivered by the pipette is 4.92 mL. What is the deviation of the first measu..
Determine the heat that must be extracted to cool the gas from 375 C to 275 C at (a) Constant Pressure and (b) constant volume.
imagine that you have been hired as an efficiency consultant by a plant that produces ammonia using the haber
A sample of gas with an initial volume of 27.6L at a pressure of 735 mmHg and a temperature of 309 K is compressed to a volume of 15.8 L and warmed to a temperature of 374 K.
40.0 ml of an acetic acid of unknown concentration is titrated with 0.100 M NaOH. After 20.0 mL of the base solution has been added, the pH in the titration flask is 5.10. What was the concentration of the original acetic acid solution. (Ka(CH3COO..
Titanium can be created by electrolytic reduction from an anhydrous molten salt electrolyte that contains titanium (IV) chloride as well as a spectator salt that furnishes ions to make the electrolyte conduct electricity.
The solubility product constant for AgCl at 298 K is 1.82 × 10-10. Calculate E° for the process
Use the Born-Haber cycle to calculate the lattice energy of LiCl(s) given the following data: ?H(sublimation) Li = 155.2 kJ/mol; I1 (Li) = 520 kJ/mol; Bond energy (Cl Cl) = 242.8 kJ/mol; EA (Cl) = 348 kJ/mol; ?Hf (LiCl(s)) = -408.8 kJ/mol. A
Calculate the wavelength of a photon emitted when 1x10^-27 g particle in a box of a length 6.0 Angstrom goes from n=5
henrys law constants for aqueous solutions at 25degc are 8.20 times 10-7 molalmmhg for n2 and 1.62 times 10-6 molalmmhg
How many moles of chloride ions are there?
The maximum # of stereoisomers that are possible for a given molecule can be determined from the formula, 2^n, where n is the nubmer of stereocenters in the molecule.
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