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In an effusion experiment, it was determined that nitrogen gas, , effused at a rate 1.812 times faster than an unknown gas. What is the molar mass of the unknown gas? Elemental analysis of the unknown gas from Part A revealed that it is 30.45% N and 69.55% O. What is the molecular formula for this gas?
Determine the Empirical Formula for the following compounds given the following information
What is the pH at the equivalence point when 40.00 mL 0.100 propionic acid, CH3CH2COOH, Ka = 1.3 x 10-5, is titrated with 0.1000 M NaOH?
If 20.0L of neon gas exerts a pressure of 125 psi at 423 k , what is the number of moles of gas?
Solid lead (I) sulfide reacts with aqueous hydrochloric acid to form solid lead (II) chloride and dihydrogen sulfide gas.
b) Determine the hybrid state of each C. c) Draw the molecule geometrically correctly showing its ?- and ?-bonds and the atomic orbitals used to form each bond.
Explain the effect of pH on the aqueous solubility of dissolved organic matter (use the 13C NMR spectra on the International Humic Substances Society as your primary reference). Speculate on how DOM fractionation would change crossing a riverine (..
Draw an absorption spectrum of leucoindigo. What color is absorbed by leucoindigo? Draw a simple energy level diagram of leucoindigo. Calculate the energy difference between energy levels.
calculate the energy involved in the conversion of 272 g of steam at 373 K to ice at 243 K. Be sure to use the correct sign.
Draw the structure of the one alkene which upon treatment with O2 followed by Zn and acid, would give rise to formaldehyde and cyclohexanone
Explain the role of a spin vane or boiling stones that are added to a liquid that is to be heated or distilled
Bond length is the distance between the centers of two bonded atoms. On the potential energy curve, the bond length is the internuclear distance between the two atoms when the potential energy of the system reaches its lowest value.
The nitration of toluene gives o- and p-nitrotoluene as the major products
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