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In elemental analysis combustion is used to analyze for C, H and N content by weight. To analyze for halogen content a variation of the following experiemnt can be used. Exactly 15.05 mg of an unknown akyl halide (Containing only C,H and I) was dissolved in ethanol and carefully tirtrated with 5.0mM solution of AgNO3 in ethanol. After consuming 14.2 mL of AgNO3 solution, the silver halide precipiate was filtered and amounted to 16.66mg. Based on this alone, deduce a likely formula for the unknown alkyl halide and suggest a structure for it
The solubility of CO2 in water at 25°C and 1 atm is 0.034 mol/L. What is its solubility under atmospheric conditions? (The partial pressure of CO2 in air is 0.0003 atm.) Assume that CO2 obeys Henry's law.
12.0 moles of gas are in a 8.00 L tank at 23.2 C. Calculate the difference in pressure between methane and an ideal gas under these conditions.
the following interactions can contribute to the intrinsic binding energy during enzymatic catalysis? Choose all that apply.- hydrogen bonding
Titration of the lead and zinc in this aliquot required 34.06 mL of the EDTA solution. Finally, cyanide was used to mask the copper and the zinc in a 25.00 mL aliquot. Titration of the lead required 26.68 mL of the EDTA solution. Determine the com..
You have just prepared a solution by weighing 20 g of sucrose, transferring it to a 1-liter volumetric flak, and adding water to the line. Calculate the concentration of the sucrose solution in terms of mM, mg/mL, and % (wt/vol).
Which of these substances would have the strongest cohesive forces in combination with the greatest molecular mobility?
Calculate the bond order in the following species. Predict which of the two species in the following pairs has the higher vibrational frequency:
An equilibrium mixture of propanoic acid (propionic acid), CH3CH2COOH, and its conjugate base has a pH of 4.87. Draw the form that predominates after H3O is removed from the equilibrium mixture
Give two reasons why ethuyl iodide is preferred over ethyl chloride in the Williamson ether synthesis.
Give five very important precautions to be taken into consideration while preparing an alcohol using Grignard reaction, explain each one
ammonia reacts with oxygen according tot he following equation4nh35o24no6h2o deltahrxn -906kjcalculate the heat in kj
A fixed amount of gas at 25.0 °C occupies a volume of 9.23 L when the pressure is 629 torr. Use Charles's law to calculate the volume (L) the gas will occupy when the temperature is increased to 121 °C while maintaining the pressure at 629 torr.
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