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While 0.50 moles of aluminum reacts with 0.72 mole of iodine, to form aluminum iodine, how much of the excess reactant will remain?
If a protein sample has a molar mass of approximately 14,000 u, what is the expected freezing point depression when 1.00g is dissolved in 50.0mL of distilled water
A solution is made by mixing 8.00 (millimoles) of and 1.00 of the strong base. What is the resulting pH?
A sample of hydrogen occupies a volume of 1.20 liters at a pressure of 425 kilapascals. If the temperature of the gas is constant, what would the new volume of the gas be at 615 kilapascals?
An experiment requires 46.0 of ethylene glycol, a liquid whose density is 1.114 . Rather than weigh the sample on a balance, a chemist chooses to dispense the liquid using a graduated cylinder.
Cadaverine are 9.13 and 10.25. If the ends of these molecules look the same, why do they have different pkas?
One brand of laundry bleach is an aqueous solution containing 4.00% sodium hypochlorite by mass.What is the molarity of this solution.
Calculate the pH of a solution prepared by mixing 1.00 g of imidazole with 1.00 g of imidazole hydrochloride and diluting to 110.5 mL. (FM of imidazole = 68.08. Ka for imidazole = 1.02 * 10-7.)
The H3O+ concentration of a 0.10M solution of acetic acid decreases when which of the following substances are added?
What are the other products of this reaction in light of this reaction, explain how the chain reaction can continue.
When 26.0 mL of 0.675 M H2SO4 is added to 26.0 mL of 1.35 M KOH in a coffee-cup calorimeter at 23.50°C, the temperature rises to 30.17°C. Calculate H of this reaction per mole of H2SO4 and KOH reacted.
calculate the initial slopes of the plots of the compressibility factor z vs p at 300k and 600k.
Consider an aqueous solution that is 0.934 M in FeCl2 (MW = 126.752 g/mol) with a density of 1.31 g/mL. Calculate the molality, mass percent, and mole fraction (?) of FeCl2 in this solution. The MW of H2O is 18.02 g/mol.
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