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Calculate the absolute entropy of Cl2(g) at 298k...include the limits of integration. entropy for Cl2= 222.96j/mol.
calculate molar solubility of strontium ion when solid sr(OH)2 is in equilibrium in aqueous sol. ksp=1e-7
The normal boiling point for acetone is 56.5°C. At an elevation of 5300 ft the atmospheric pressure is 630. torr.
If the temperature in the chamber is 103 °C after the charge is ignited, what is the pressure, in atmospheres, behind the cannonball when the gunpowder goes off?
A solution is prepared by dissolving 10.5 g ammonium sulfate in enough water to make 100.0 mL of stock solution. A 13.00 mL sample of this stock solution is added to 55.00 mL of water. Calculate the concentration of ammonium ions and sulfate ions ..
Equal volumes of cold 4.184M NaOH at 20C and warm 4.184M HCl at 77.3C are mixed together in a highly efficient calorimeter. what is the final temperature of the solution
A certain weak acid, HA, is titrated with Ka 5.61x10^-6 naoh. More strong base is added until the equivalence point is reached. What is the pH of this solution at the equivalence point if the total volume is 56.0
Lysine is an amino acid that is an essential part of nutrition but which is not synthesized by the human body.
A student takes 185. g of BaCl2, and reacts it according to the following equation: 3BaCl2 + Al2(SO4)3 → 3BaSO4 + 2AlCl3 How many moles of AlCl3 are formed?
What is the temperature of .49 mol of gas at a pressure of 1.2 atm and a volume of 12.4 L? 2. A weather balloon is inflated to a volume of 26.1 L at a pressure of 755 mmHg and a temperature of 23.0. C The balloon rises in the atmosphere to an alti..
Describe, in as much detail as possible, the process of recrystallization as a method for purification of a solid. How does it work. What do you do
a gas mixture composed of helium and argon has a density of 0.605gl at a 741mmhg and 298k. what is the composition of
What is the empirical formula of the compound if a 5.56 mg sample of a compound containing carbon, hydrogen, and oxygen underwent combustion producing 12.64 mg of CO2 and 5.16 mg of H2O
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