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"Having more than two years proven work experience with professional competence and ability to cope up with the challenging environment, enable me to become one of the competent candidates in the Business Development profession. However, with flawless performance record, I have been working in the EPC (Engineering, Procurement, and Construction) sector for several years in Business Development department."
An open-end manometer containing mercury was connected to a vessel holding a gas at a pressure of 840 torr. The atmospheric pressure was 610 torr. What is the difference in the heights of the mercury, expressed in cm
In a protein determination, the color of dye changes to blue when it binds to protein, and the absorbance of light is measured. The data below were taken to calibrate the instrument
a sample was placed on a chromatography column. methylene chloride was used as the eluting solvent. no seperation of
a gaseous mixture of o2 and kr has a density of 1.140 gl at 415 torr and 300. k. what is the mole percent o2 in the
Draw a chair conformer for propylcyclohexane, where the propyl group is in the equatorial position. On the same carbon (C1), show the attached H in the axial position.
A gas expands and does pv work on its surroundings equal to 347 J. At the same time, it absorbs 127J of heat from the surroundings, what is the change in energy of the gas.
Using ethanol as the source if all carbon atoms, outline multistep synthesis
When 0.512 grams of a substance is dissolved in 7.03 grams of naphthalene, the solution has a freezing point of 75 degrees celcius. What is the molar mass of the substance. Kfp for naphthalene is 6.80 degrees celcius/kg/mole.
A buffer is perpared by adding 0.100 moles of sodium acetate to 0.100 moles of acetic acid and diluting to 1.00L. What is the pH of the solution after the addition of 5.00mL of 1.00 molar HCl
a sample of helium gas occupies 11.6l at 23oc and 0.956 atm. what volume will it occupy at 40oc and the same
The reaction between ethyl iodide and hydroxide ion in ethanol (c2H5OH) solution, C2H5I(alc) + OH -(alc) C2H5OH(l) + I -(alc) has an activation energy of 86.8 kj/mol and a frequency factor of 2.1*10^11 A solution of KOH in ethanol is made up by di..
the reaction proceeds via successively faster halogenations at the -position until the 3 h have been replaced. explain
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