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Problem- A 2.6x10-5M solution of a compound in hexane shows an absorbance of 0.36 at 252nm in a cell with a 1-cm light path. What is the molar absorptivity of the compound in hexane at 252nm?
Depict the solution describe all steps
Some type of wood can be characterized as C1H1.5O1.7 with a lower heating value of 19500 KJ/kg. Find its adiabatic flame temperature when burned with stoichiometric air at 100kPa, 298 K.
If the solubility of nitrogen is blood is 1.90 cc per 1.00 atmosphere, what is the solubility of nitrogen is a scuba diver's blood at a depth
Living organisms use energy from the metabolism of food to create an energy-rich molecule called adenosine triphosphate (ATP). The ATP then acts as an energy source for a variety of reactions that the living organism must carry out to survive.
Given that a 12.00 g milk chocolate bar contains 9.200 g of sugar, calculate the percentage of sugar preset in 12.00 g of milk chocolate. express your answer numerically
compressed reversibly and adiabatically until the temperature reaches 250K. Given that its molar constant-volume heat capacity is 27.5J/Kmol, calculate final pressure and final volume.
the ph for a 2.6 moll propanoic acid solution was 2.24. what is thenbspkanbspof propanoic acid given that propanoic
A 5.00 L volume of ethane gas is heated from 298 K to 596 K. If the pressure remains constant, what is the final volume?
Treatment of the bicyclic chloride A with lithium in tetrahydrofuran (THF) gave the monocyclic product B, C9H9Li. In deuterated THF, B exhibited a single proton NMR signal at 6.72 ppm
Calculate the molarity (mol/L) of Mn2+ when MnS is placed in a 0.0179 M (NH4)2S solution. The equation represents the solubility process.
A sample of Nitrogen gas expands in volume fro 1.6 L to 5.4 L at constant temperature. Calculate the work done (in joules) if the gas expands
Calculate the change in pH when 5mmols of OH- are added to 100mL of a solution that is 0.1 M CH3COOH and 0.1 M NaCH3COO.
1) What would be produced if water was used instead of methanol for the transesterification (fats/oils with strong alkali solution) 2) How does burning biodiesel produce no net CO2 in the atmosphere
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