Value for the standard internal energy
What is the value for the standard internal energy of formation for acetyl chloride, CH3COCl (l)?
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A 245 mL stock solution contains 0.9 M Ca(CN)2. When 105 mL of the stock solution is diluted to 125 mL, how many moles of CN- ions will be contained in the dilute solution?
A sample of propane,C3H8, contains 11.7 moles of carbon atoms. How many total moles of atoms does the sample contain?
If the final temperature reached by the alloy sample and water is 27^{circ}{rm C}, what is the specific heat ({rm cal}/{rm g}^circ{rm C}) of the alloy?
In most general chemistry courses, students calculate the molar mass (MM) of a volatile liquid using the ideal gas law (PV = nRT) in the following form: MM = (mass of vapor*R*boiling point in Kelvins)/(pressure in atmospheres*flask volume).
[Mn(bipy)(N3)2] is a coordination complexwith azide ion. What is the charge on the manganese? What is the overall charge on the complex? What is the name of this coordination complex?
Calculate the moles of aluminum ions present in 250.0 g aluminum oxide. Determine the number of oxygen atoms present in 25.0 g of carbon dioxide.
Need down wind concentrations for a dirty bomb dust cloud that carries toward a nearby downtown area on a light wind speed of 10 mph.
How much heat in kj would be required to vaporize 1.00 L of diethyl ether (C4H10O), density is 0.714g/mL at 298 K, if the enthalpy of vaporization at this temperature is 26.0 kj/mol?
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