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How much heat in kilocalories is required to melt 1.0mole of isopropyl alcohol (rubbing alcohol; molar mass = 60.0g/mol )? The heat of fusion and heat of vaporization of isopropyl alcohol are 21.4cal/g and 159cal/g , respectively
Explain Maxwell's Distribution diagram and how does it relate to temperatures. What happens to this distribution as the temperature is increased
What ratio [CH3NH3+]/[CH3NH2] is needed to prepare a buffer solution with a pH of 8.60 from methylamine, CH3NH2, and methylammonium chloride, CH3NH3Cl? Kb of CH3NH2 = 3.7 10-4.
the side of the coil which cuts magnetic flux link from the north pole first becomes the live wire. Is there any reason behind that or is it just a natural phenomena?
The toxicity of (+)-carvone in rats is about 400 times greater than that of (-)-carvone. How do you account for this
A sample consisting of 1.00 mol of a van der Waals gas is compressed from 20.0 dm^3 to 10.0 dm^3 at 300 K. In the process 20.2 kJ of work is done on the gas.
If you dilute 28.0 of the stock solution to a final volume of 0.540 , what will be the concentration of the diluted solution?
Describe how you would prepare 150.0 mL of a pH = 5.00 buffer solution from a solution of 0.200-M aniline, C6H5NH2, a weak base
Explain which of the following structural features of amino acids is most responsible for differences in properties of proteins
A reaction mechanism involving three steps is shown below. Identify all of the catalysts in the following mechanism.
a calculate the molarity of a solution made by dissolving 12.5 grams of na2cro4 in enough water to form exactly 550 ml
Calculate the enthalpy change per mole for this process. ( Assuming C=4.18 J deg c^-1 g^-1 and density of the final solution is 1.00g/ml).
Look up IDLH and provide a brief description. As well as identifying the IDLH values of the following chemical Carbon Monoxide Hydrogen Sulfide Xylene
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