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The specifications associated with a commercial spectrophotometer are: Diffraction grating with 600 groves per mm. Focal length, f, 370 mm. Blaze angle, first order, 500 nm. What is the reciprocal of the linear dispersion? Could the two emission lines of hydrogen, 656.28 nm and 656.10 nm be resolved to the base line with a slit width of 0.010mm? Note that the blaze angle is given in wavelength. Using the balze angle formula we can compute the corresponding angle
An ideal gas is expanded reversibly and isothermally from 10 bar to 1 bar at 298.15 k. what are the values of (w), (q), delta U, and delta H. If the ideal gas expands isothermally against a constant pressure of 1 bar, how much work is done on the ..
Calculate the volume of each of the following gas samples at STP 8.1 mol c2h2, .255 mole ci,0440 mol co2, 24.1 mol n2o in L
What is the partial pressure of ethane P ethane , in the flask? Express your answer to three significant figures and include the appropriate units
What is the enthalpy change for the neutralization reaction of 1 mol of CsOH in kJ?
Explain what a hydrogen bond is and describe, on the molecular level, how a water and an alcohol molecule can hydrogen bond
In a laboratory experiment, students synthesized a new compound and found that when 14.10 grams of the compound were dissolved in 208.0 grams of ethanol, the solution began to boil at 78.9510C
At equilibrium, 0.11 mole of CO2 was present. Calculate the equilibrium constant Kc of this reaction.
Acid Rock Drainage is a common environmental process that releases toxic metals, such as cadmium (Cd2+), and lots of acidity (i.e. H+) into streams and rivers. One strategy to remediate acid mine drainage is to fill the streams with carbonate rock..
The absorption spectra of ions have been used to identify the presence of the elements in the atmospheres of the sun and other stars. What is the wavelength of light (in nm) that is absorbed by He+ ions
If 0.7438 g of potassium hydrogen phthalate is used and the equivalence point occurs at 33.00 mL of NaOH, calculate the molarity of the NaOH solution to the correct number of significant figures.
A 0.003525-mol sample of an organic compound was burned in oxygen in a bomb calorimeter. The temperature of the calorimeter increased from 24.5oC to 26.7oC.
A compound of formula C6H10O2 shows only two absorptions in the 1H NMR spectrum: a singlet at 2.67 ppm and a singlet at 2.15 ppm. These absorptions have areas in the ratio 2:3. The IR spectrum shows a strong absorption at 1708 cm-1. Propose a stru..
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