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We place 1.32 mol PCl5 in a 1.0 L flask and allow it to reach equilibrium at a given temperature. What is the final concentration of Cl2 in the flask? PCl5(g) f PCl3(aq) + Cl2(g) Kc = 0.47
The density of silver is 10.5g/cm3 what is the volume im cm 3 of an ingot of silver with mass 0.743 kg. If this sample of silver is a cube how long in each edge in cm
It takes 78.2 J of energy to raise the temperature of 45.6 g of lead by 13.3 oC. What is the specific heat capacity of Pb? What is the molar heat capacity of Pb.
Predict just the first step that might occur between the polyphenol shown below and Na2CO3
Propane gas, C3H8, reacts with oxygen to produce water and carbon dioxide. Propane has a density of 2.02g/L at room temperature. Express the answer as a chemical equation. Identify all of the phases in the answer.
Why can NH3 function as a ligand with Ni^2+ While NH_4 + cannot function as a ligand with Ni^2+
Write the mathematical expression for the equilibrium constant, Keq, as a function of the concentrations of the products and reactants for this reaction.
You conduct an experiment where N2 is collected over water in a 2.12 L flask at 23.oC. At the conclusion of the experiment, the total pressure in the flask is 652. torr. What is the pressure of N2 in the flask?
In a typical experiment, 0.631 g of COCl2 is injected into a flask of volume 472 cc. When equilibrium is established, it is found that the total pressure is 2.175 atm. Calculate K for the reaction.
By substituting two hydrogen atoms on the benzene ring with methyl groups, write line-angle formulas of all constitutional isomers. Name each isomer.
A 2.48 L sample of He at 739 torr is mixed with 6.08 L of Ar at 325 torr both at 25 degrees C is placed in a 4.80 L container at 25 degrees C. What is the partial pressure in atm of He
This strontium isotope is radioactive, with a half-life of 28.1 yr. Calculate how long it will take for 0.860 g of the isotope to be reduced to 0.170 g by decay
What are the pH, pOH, hydroxide ion concentration, and hydronium ion concentration of a 0.014-M diprotic acid solution?
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