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Consider the reaction A + B ? C + D. Assume that both the forward reaction and the reverse reaction are elementary processes and that the value of the equilibrium constant is very large.
(a) Which species predominate at equilibrium, reactants or products?
(b) Which reaction has the larger rate constant, the forward or the reverse? Explain.
A student tried to make a buffer of pH 4.0 using sodium acetate and acetic acid. The initial pH of the buffer solution was 3.9. How should the student adjust the pH to the desired value?
What is the nickel ion concentration in a solution prepared by mixing 389 mL of 0.428 M nickel nitrate with 467 mL of 0.323 M sodium hydroxide. The Ksp of nickel hydroxide is 1 × 10-16
An electron in an excited state of a hydrogen atom emits two photons in succession, the first at 1817 nm and the second at 97.20 nm, to return to the ground state (n=1).
The charcoal from ashes found in a cave gave 3.34 14C counts per gram per minute. wood from the outer portion of a growing tree gives a comparable count of 16.0. The half life of 14C is 5700 years. How old are the ashes
Explain when these pills are designed the manufacturer has to be careful with the amounts of each vitamin as well as how the human body processes and stores them. Based on your solubility results as well as how humans excrete waste, which of the c..
ammonia gas can be prepared by the following reaction caos 2 nh4ci s ---gt 2nh3g h2og caci2sif 112 g of cao and 224
sulfur dioxide was allowed to effuse through a small opening under constant pressure conditions. It required 179 s for 1.00 L of this gas to effuse. Calculate the effusion time of arsine (AsH3) under identical experimental conditions
At the freezing point of ethanol, C2H5OH, -115 degree C, the Enthalpy of fusion is 4.60 kJ/mol. What is the the enthalpy change when 23.0 grams of ethanol melts?
A brick consisting of pure metal measures 4.00 inches x 5.00 inches x 3.00 inches and weighs 7.020 kg. Using density, identify the metal in the brick.
a chemical reaction release 1240 J of energy. the energy is all absorbed by water (423 g) containing the reactants. if water was initially at 19.6 degrees, what will be it final temperature
Question- Part 1) Calculate the pH of the aqueous solution resulting from the addition of 22.00 mL of 0.09550 M NaOH and 22.00 mL of 0.09550 M acrylic acid, HC3H3O2.
a sample of ice 27.0-g at -13.0degc is combined with water of 114.0 grams at 80 degree celsius. compute the final
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