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Naphthalene is a hydrocarbon that is commonly found in mothballs. Naphthalene is 93.75% carbon by mas. If Naphthalene's molecular formula is twice its empirical formula , What the molar mass
-13 degrees C air pressure in an auto tire is 1.5 atm. if the volume does not change, what is the pressure after the tire has warmed to 15 degrees C?
An aqueous solution has a vapor pressure of 84.0 at 50 . The vapor pressure of pure water at this temperature is 92.6 . What is the concentration of in mass percent?
If during the course of the reaction, the vessel is found to contain 9.75mol of C, 15.0mol of H2O, 3.10mol of CO, and 7.80mol of H2, what is the reaction quotient Q?
that of the Ce(III)/Ce(IV) system is +1.44V, calculate the potential at the following points during the titration of 100 ml of 0.05M Fe(II) with 0.05M cerium (IV)
The sulfuric acid in a car battery has a density of 1.225 g/cm3 and is 3.75 M. What is the molality, mole fraction, and percentage of sulfuric acid by mass in this solution?
After you determine the concentration of the unknown stock solution, you will need to use the density to calculate the % mass of thymol
Calculate the concentration of I- in a solution obtained by shaking 0.10 M KI with an excess of AgCl.
A quantity of oxygen occupies a volme of 19.2L at STP. How moles of oxygen are present?
The pH of the resulting solution is 6.35. Calculate the Ka for the acid.
A spoon was silver plated electrolytically in a Silver nitrate solution. If 0.750 grams of silver was deposited on the spoon at a constant current of twenty mili amperes, determine how long in hours did the electrolysis take?
also why are the energy minimization bond angles not the same as the ideal bond angles?
the discharge pressure is 2 bars. Determine the area, enthalpy and specific volume at the entrance of the nozzle and the area, enthalpy
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