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Balance the equation and answer in terms of moles. The disinfectant hydrogen peroxide (H2O2) decomposes to form water and oxygen gas. How much O2 will result from the decomposition of 8.38 mol of hydrogen peroxide?
In a beaker of boiling water, there are many bubbles forming throughout the liquid. What gas comprises the bubbles?
4.5 L of Mg(OH)2 solution was titrated with 5.03 mL of 0.200 M HCl. Calculate the the molarity of Mg(OH)2 solution and the ksp.
Which bronsted-lowry acid is not considered to be a strong acid in water. A)H I B)H Br C)H2S O3 D)H NO3
Calculate the pH of a solution that is 0.028 M dimethylamine and 0.057 M dimethylammonium chloride. The Kb of dimethylamine is 5.4x10-4
Calculate the mass/volume percent [% (m/v)] of 0.278 g of potassium chloride in a 987.8 mL solution.
The most common source of copper is the mineral chalcopyrite. How many kilograms of chalcopyrite must be mined to obtain 320. of pure copper?
Could you explain why carbonate, specifically sodium carbonate (Na2CO3) would be particularly good at neutralizing these acids and their conjugate bases?
A certain reaction has deltaH standard = 57.3 Kj, DeltaS standard =235 J/K. At what Temp will equilibrium be reached at standard conditions, in celsius
What is the molecular weight of a gas if a 21.0 g sample has a pressure of 836mmhg at 25.0 degrees c in a 2.00L flask
design a molecule with three chiral centers and draw eight possible stereoisomers of the molecule.
sulphur dioxide so2 is an unwelcome result of burning soft coal in power plants. some of the so2 ends up as sulfuric
a reaction of clacium phosphate and sulfuric acid results in calcium sulfate and phosphoric acid. if 250 grams of
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