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How much concentrated solution would you take to prepare 2.80 L of 0.425 M HCl by mixing with water?
The weathering of pyrite (FeS2) in coal mines and in metal sulfide ore deposits can be represented by the following reaction
The specific heat capacity of the solution produced was 4.20J/g*Celcius, and final temp reached was 34.91 degrees c. How much heat was produced by the dissolution
what would be the expected component concentration in octanol phase at equilibrium if the same partitioning procedure would be performed at 60*C
What is the final temperature of the water and pieces of metal?
What is the solute and solvent of Antifreeze? What is the solute and solvent of Pepsi? What is the solute and solvent of Sterling Silver?
A 125-g piece of metal is heated to 288 oC and dropped into 85.0 g of water at 26 oC. If the final temperature of the water and metal is 58.0 oC, what is the specific heat of the metal (J/goC)
What is the osmotic pressure of a 0.100 M aqueous solution of sucrose at 25 degrees C. Please explain
A system had 150 kJ of work done on it and its internal energy increased by 60 kJ. How much energy did the system gain or lose as heat?
Why do sigma bonds have lower energy than pi bonds and are stronger if bond strength increases with bond energy?
Classify the reaction type : combination , combustion, decomposition , single displacement, or double-displacement
Diethylamine, (C2H5)2NH, is a weak base (pKb=3.16 at 25oC). What is the pH of 0.155 mol/L (C2H5)2NH(aq) at 25oC
determine the ph of the following solutions, showing calculations.
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