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When a 2.691 g sample of the unknown organic compound is vaporized at 90.0(degrees)C and 708. mmHg it is found to occupy a volume of 1.00L. Determine the molar mass and the molecular formula of the unknown compound.
5.00 ml of a water sample was titrated for hardness with 4.15mL of 0.0200M EDTA. Write an equation for the reaction and calculate the hardness of the water in ppm
What is the simplest formula for Chalcocite if a sample of this ore contains 8.274 g copper and 2.088 g sulfur?
Calculate the equilibrium constant, Ke, for the reaction assuming the concentrations for reactants and products are the following
What is the specific heat of lead if it takes 97.5J to raise the temperature of a 75.0g block by 10.1 degress celcius?
Draw the products(if any) expected from the treatment of each of the following compounds with ozone followed by aqueous hydrogen peroxide
What is the name of the chemical used in Sweet 'n Low? Draw the structure. Why was a temporary restriction placed on the use of this sweetener? What is the Delaney Amendment?
The pressure exerted on a 240 mL sample of hydrogen gas at instant temperaure is increased from .428 ATM to.724 ATM. What will the final volume be for the sample be?
What are the frequency and energy of a photon with a wavelength of 900 nm. Report your answers to three significant digits.
Compute the boiling point of the above solution in Farenheit.
Write an equation for the formation of NH3g from its elements in its standard states.
Make an energy level diagram, showing ALL suborbitals, large enough to accomodate the 1st 36 elements
Hydrofluoric acid dissociates in water as represented by the above equation With Ka = 7.2 * 10^-4
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