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Calculate the work w when 5.3 litre of an ideal gas at an initial pressure of 9.3 atm is expanded or compressed isothermally to a final volume of 9.3 litres reversibly
Comment on the difference between the impure and crystallized sulfanilamide. What does the difference indicate about your ability to perform an effective crystallization
What is the pH of 0.549 M piperidinium iodide, C5H11NHI? The Kb of piperidine, C5H11N, is 1.3 x 10-3.
An aqueous CaCl2 solution has a vapor pressure of 82.2 mmHg at 50 degrees C. The vapor pressure of pure water at this temperature is 92.6 mmHg. What is the concentration of CaCl2 in mass percent
The dispersion of a diffraction grating, such as the one shown at the right, is the angle of separation per μm of wavelength, Î"Φ /Î"λ
The degree of unsaturation, or index of hydrogen deficiency, is the number of pi bonds plus rings in a molecule. Specify the degree of unsaturation (index of hydrogen deficiency) of the following formulas
One of the chair conformations of cis-1,3-dimethylcyclohexane is more stable than the other by 23.1 kJ/mol. Use this to estimate the energy cost of a 1,3-diaxial interaction between two methyl groups
WJCI operates at a frequency of 1460. kHz. What is the minimum height (m) of the antenna that WJCI (sports radio) must have?The speed of light, c, is 2.998 x 108 m/s.
A solution made by adding solid sodium hypochlorite (NaClO) to enough water to make 2.00 L of solution has a pH of 10.50. Calculate the number of moles of NaClO that was added.
The vapor pressure of benzene,C6H6 is 40.1mmHg at 7.6C. what is its vapor pressure at 60.7C? The molar heat of vapotization for benzene is 31.0kg/mol
Using acetylene as your ONLY source of carbons, show how you would synthesize the following compound. Note: any alkyl halides, alcohols
Calculate the change in its standard molar Gibbs free energy when benzene is heated from 25 ºC to 45 ºC.
Predict the effect of decreasing the container volume on the amounts of each reactant and product in the following reactions. (NOTE: Only ONE submission is allowed for this question.)
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