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How much heat does your body lose when 2.5 grams of sweat evaporates from your skin at the temperature of 298k? (Assume that the sweat is only water.) The heat of vaporization of water = 44.0 at 250C
Compute the mass of an electron if the difference in the mass of 100 moles each of sodium atoms and sodium ions is 5.48002 grams?
Write the structures of the saytzeff elimination
Determine the boiling point of a 1.5m aqueous solution of fructose.
15.0 moles of gas are in a 5.00L tank at 22.2°C. compute the difference in pressure between CH4 and an ideal gas under these circumstances. The van der Waals constants for CH4 are a=2.300L2⋅atm/mol2 and b=0.0430 L/mol.
Correlation of structure with the melting point - What structural aspect of these 18-carbon fatty acids can be correlated with the melting point?
You are required to prepare a review-type essay on Electrochemistry. Insert your completed review essay into a soft-bound cover with a clear plastic front.
The density of mercury is 13.595 g cm -3 . What will be this value in SI units? Give the SI units and their symbols for the following physical quantities:
Using a sample of ferrous ammonium sulfate hexahydrate of 0.5585 grams needs KMnO 4 solution of 21.45 ml to reach a pink endpoint then calculate what will be tha molarity of the KMnO 4 solution?
The liquid rate used is twice the minimum, the equilibrium relationship can be represented as yA=9.95 xA then determine what is HOG, operating line relationship, NOG and packed height of the column?
Designing and preparing aqueous buffer solution with the pH indicated - Give complete details of the design and preparation of an aqueous buffer solution (volume 100ml) with the pH indicated.
Find the Qsp if The solubility product of Ag 2 CO 3 =6.2 × 10-12. Also determine whether a precipitate forms in the solution (Assume 20 dropsper milliliter.)
Draw a series of titration curves for the titration of a strong base with a strong acid where the concentration of the acid is 10 -1 , 10 -2 , and
4.00g of H2SO4 solution was diluted with H2O and added with excess of cacl2, and The washed and dried precipitate of BaSO4 weighted 4.08g. Calculate percent H2SO4 in the original acid solution.
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