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It is given given that pure acetic acid, known as glacial acetic acid, is a liquid with a density of 1.049 g/mL at 25 degrees C. Calculate the molarity of a solution of acetic acid made by dissolving 29.00 mL of glacial acetic acid at 25 degrees C in enough water to make 300.00 mL of solution?
What mass of Al in grams is deposited at an electrode is a current of 1.22 amperes is passed for 12.0 hours through a solution of Al(NO3)3
Benzoic acid is a weak acid that has antimicrobial properties. Its sodium salt, sodium benzoate, is a preservative found in foods, medications, and personal hygiene products. Benzoic acid dissociates in water: C6H5COOH C6H5COO- + H+
Octane has a vapor pressure of 40. torr at 45.1 degrees celcius and 400. torr at 104.0 degrees celcius. What is its heat of vaporization (R=8.214 J/K mol)
What is the pOH of a 0.0054 M KOH solution? 2. Rank H3PO4, H2PO4^-, and HPO4^2- in order of increasing acid strength.
Explain the different mechanisms by which each of the inhibitors act to reduce the activity of the catalytic enzyme.
Alpha helices are a type of secondary structure in proteins. What is the length of a 41-kDa single-stranded ?-helical protein segment. Assume a mean residue mass of 110 Da.
An aqueous solution of KI has a freezing point of -1.95 C and an osmotic pressure of 25.0 atm at 25 C. Assumong that KI completely dissociaes in water, what is the density of the solution
A meteorological balloon of radius 1.0M at sea level and 20 degrees C. At it's maximum altitude the radius of the balloon is 3.0M and the temperature is -20 degrees C
Draw structural and line-bond formulas for all the structural isomers with the formula C4H9Cl. Determine the polarity of each, showing partial changes and the overall direction of the net dipole where applicable.
Describe the characteristic IR absorption frequencies in cm -1 that would allow you to distinguish between the following pair of compounds.
What is the pH of the solution created when 10.0 mL of 0.50 mol/L nitric acid is diluted to 1.50 L
Ethane, C2H6, has a molar heat of vaporization of 15 kJ/mole. How many kilojoules or energy are required to vaporize 5 g of ethane?
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