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Subsequent to 50.0 min, 32.0% of a compound has decomposed. Explain what is the half-life of this reaction assuming first-order kinetics?
determine the total concentration in moll of cl- ions in a solution formed from the reaction of 500ml of 1.0m barium
The heat capacity of bomb calorimeters are determined by running a known, standard reaction. The combustion of 2.450 mmol of x caused the temperature of a bomb calorimeter to rise from 23.400
Calculate the freezing point of a solution of 500.0 g of ethylene glycol (C2H6O2) dissolved in 500.0 g of water. Kf = 1.86 degrees C/m and Kb
The bicarbonate buffering system is one of the major pH regulating mechanisms in your blood. which of the following is not a compound formed in th transport of carbon dioxide via this buffering system.
The Ksp for silver sulfate (Ag2SO4) is 1.2 multiplied by 10-5. Calculate the solubility of silver sulfate in each of the following.
the molecule h2s2 has a linear arrangement of its atoms. number all sulfur atoms along the chain from 1 to 4. find the
Above what Fe2+ concentration will Fe(OH)2 precipitate from a buffer solution that has a pH of 9.99? The Ksp of Fe(OH)2
The energy from radiation can be used to cause the rupture of chemical bonds. A minimum energy of 941 is required to break the nitrogen-nitrogen bond in. What is the longest wavelength of radiation that possesses the necessary energy to break the b..
a platinum ball weighing 15.1 g is removed from a furnace and dropped into a 305 g of water at 15degc. if the
a 2.84g sample of an aqueous ionic salt with a molar mass of 99.37gmol is added to a calorimeter ccal 72.1jdegc
Calculate the molarity of a sodium hydroxide solution if a 0.7216 g sample of KHP was dissolved in 50 mL of water and titrated with 24.71 mL of sodium hydroxide to a phenolphthalein end point.
Is 2-methyl-2-propanamine (C4H11N) a primary amine, secondary amine, tertiary amine, or quaternary ammonium salt? 2) Is N-methyl-2-propanamine a primary amine
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