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An equilibrium mixture, at 594°C in a 1342-mL container, involving the chemical system N2(g) + 3H2(g) 2NH3(g) is found to contain 9.72 g of N2, 0.674 g of H2, and 0.385 g of NH3. Calculate the equilibrium constant (Keq expressed in terms of the molar concentrations) at the given temperature.
A 2.30-g sample of a large biomolecule was dissolved in 16.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85°C.
Write a structural formula for two different isomers of [Co(H2O)2(en)2]Cl2. Indicate the oxidation state of the Co in each case.
A buffer containing 0.4316M of acid, HA, and 0.1549M of its conjugate base, A- has a pH of 2.20. What is the pH after 0.0019 mol NaOH
Molecules can be as small as a few atoms or as large as thousands of atoms. In 1962, Max F. Prutz and John C. Kendrew were awarded the Nobel Prize for their discovery of the structure of hemoglobin.
how many of the alcohol and ethers stereoisomers of formula C5H12O have charity centers.
A compound with molecular formula C5H11N has no ? bonds. Every carbon atom is connected to exactly two hydrogen atoms.
a sample of gas occupoes 17ml at -112 degrees C. what volume does the sample occupy at 70 degrees C.
You have successfully purified a protein to homogeneity. From gel permeation chromatography studies, you determine that the protein has a molecular weight for 235,000 daltons.
1-mL of 0.007 M Na2SO4 was diluted in 100-mL of deionized water. What is the concentration of the Na2SO4 in ppm
hydroxylamine is titrated to the equivalence point with 35.8 m of .15 M HCl. What is the pH at the equivalence point?
Reaction Mechanism: Draw a reasonable reaction mechanism (i.e. show the electron movement) for the synthesis of 2-butoxynaphthalene.
How many grams of magnesium chloride are needed to react completely with 66.0 mL of 0.189 M NaOH solution
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