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The mass spectrum of an organic compound shows the relative abundances of M to be 46.08% and M 1 to be 1.495%. Assuming the peaks are caused by 12C and 13C isotopes, determine the number of carbon atoms in the compound. Natural abundances: 12C is 98.93% and 13C is 1.07%
On hot days, you may have noticed that potato chip bags seem to inflate even thougt they have not been opened. if i have a 250 mL bag at a temperature of 19 C and i leave it in my car that has a temperature of 60 C, what will the new volume of the..
A solution is prepared by mixing 65.0 mL of 5.00 M HCl and 23.0 mL of 8.00 M HNO3. Water is then added until the final volume is 1.00 L. Calculate [H+], [OH -], and the pH for this solution
Creatine is a by-product of muscle metabolism, and creatinine levels in the body are known to be a fairly realiable indicator of kidney function.
What is the mole fraction of acetone, C3H6O, in the vapor phase from a solution consisting of a mixture of acetone and ethyl acetate, CH3COOCH2CH3, at 30.00 °C, if the total pressure above the solution is 184.6 torr?
If the reaction of 2.50 g of aluminum with 2.50 g of oxygen produced 3.50 g of aluminum oxide, What is the % yield of the reaction?
An aqueous solution of hydroiodic acid is standardized by titration with a 0.174 M solution of sodium hydroxide. If 30.5 mL of base are required to neutralize 29.2 mL of the acid, what is the molarity of the hydroiodic acid solution?
According to Charles Law, for a fixed quantity of gas at constant pressure, which of the given quantities is constant? V/T, VXT, or V+T
to find Sorxn and determine if the reaction is spontaneous at 900oC.(2 pts). 2NH3(g) + 3CuO(s) %u2192 3H2O(l) + N2(g) + 3Cu(s)
What is the partial pressure of hydrogen and nitrogen when the gas mixture is composed of 8.00 g hydrogen and 56 grams nitrogen.
write molecular, complete ionic, and net ionic equations for the reactions that occur, if any, when solutions of the following substances are mixed? a. nitric acid and potassium carbonate
How many grams of water at 0 degrees C could be frozen to ice at 0 degrees C by the evaporation of 58.82 mol NH3?
A pure fluid is described by the following expression for Gibbs free energy: G = gamma(T) + RTlnP, where gamma(T) is a substance specific function of temperature.
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