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Each 5mL teaspoonfull of extra strengh maalox plus contains 450mg of magnesium hydroxide and 500 mg of aluminum hydroxide. How many moles of hydronium ion are neutralized by one teaspoonful of Extra strength Maalox plus?
Octane has a density of 0.692 g/mL at 20 degrees Celsius. How many grams of O2 are required to burn 1.00 gal of C8H18?
from the plots of the boiling point versus the volume of distillate in either of the fractional distillations of the ethanol-water mixture,what conclusion can you draw about the homogeneity of the distillate?
A zero-order reaction has a constant rate of 1.90×10-4 . If after 40.0 seconds the concentration has dropped to 6.50×10-2 , what was the initial concentration?
The temperature of a lead fishing weight rises from 26 degrees Celsius to 38 degrees Celsius as it absorbs 11.3 J of heat. What is the mass of the fishing weight in grams.
NO(2) + CO--> NO +CO(2) is 125 Kj/mol and delta E for reaction is -216 kJ/mol. What is the activation energy for the reverse reaction. (NO+CO(2)--> NO(2) +CO
At constant pressure, in which of the reactions is work done by the system on the surroundings? By the surroundings on the system? In which of them is no work done?
A reaction has a theoretical yield of 8.83 g of ammonia. the reaction gives off 10.24 L of ammonia measure at 52*C and 105.3kPa what was the percent yield of the reaction?
Calculating concentration in equilibrium, At pH 6.00 and pE 2.60, what is the concentration of Fe2+ (mol/L) in equilibrium with Fe(OH)3?
What is the freezing point (°C) of a solution prepared by dissolving 11.3 g ofCa(NO3)2 (formula weight= 164 g/mol) in 115 g of water? Assume that i=3.00 for Ca(NO3)2 and the molal freezing point depression constant for water is1.86°C/m.
What is the wavelength of an electron traveling with a velocity of 7.0 times 10 to the 3rd power?
What is the molar concentration of free (uncomplexed) Ag+ in solution when 4.25g AgNO3 is dissolved in 100.0 mL 1.00 M NH3 aqueous
explain why ethanamine (ethylamine) initially forms a white precipitate when added to a solution of aqueous copper sulphate (CuSO4).
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