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What is the boiling point of a solution of 30.20 g of ethylene glycol, HOCH2CH2OH, in 88.40 g of phenol?
calculate the mass of one atom of helium atomic mass1.01 amu. calculate the wavelength of this atom if it is traveling
Why exactly are oxidation reactions one in which a oxygen is inserted into a bond, hydrogen is removed from a bond, and a more electronegative atom is inserted in the bond, replacing a carbon or a hydrogen
State equations for the dissolving process in water for each of the following showing ions or molecules that form:
What functional group is present in glucose? Is glucose a reducing or nonreducing carbohydrate?
Explain how you would prepare this buffer solution. Be specific about the volumes of the solutions you would use.
What is the vapor pressure of propane at 25 C. its normal boiling point is -42C and deltaH of 19.04 kj/mol.
A solution prepared by dissolving 20.0 mg of insulin in water as well as diluting to a volume of 5.00ml gives an osmotic pressure of 12.5 mm Hg at 300 degree kelvin. Explain what is the molecular weight of insulin
What volume (in liters) of 1.10 M KOH solution should be added to a 0.090 L solution containing 10.2 g of glutamic acid hydrochloride (Glu, FW=183.59
Use the Rydberg equation to calculate the wavelength in nanometers of the spectral line of hydrogen for which n2 = 4 and n1 = 2.
A chemistry handbook lists the solubility of sodium Iodide as 184 grams per 100mL of water at 25 degrees celsius. How many moles of NaI can be dissolved in 100mL of water at 25 degrees celsius?
consider two jars. one jar contains 100 blue spheres and the other jar contains 25 each of red blue green and yellow
nanowires are high aspect ratio metal or semiconducting wires with diameters on the order of 1-100 nanometers and
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