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Author Archives: Anonymous

For the following reaction at equilibrium, which choice give…

For the following reaction at equilibrium, which choice gives a change that will shift the equilibrium position to favor the formation of more products?     2NOBr  (g)    \(\prec-\succ\)  2NO (g)  +   Br2 (g)    \(\bigtriangleup\)H\(\circ\)rxn = 30 kJ/mol

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A current of 0.80 A was applied to an electrolytic cell cont…

A current of 0.80 A was applied to an electrolytic cell containing molten CdCl2 for 2.5 hours. Calculate the mass of cadminum metal deposited.

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Nitrous oxide (N2O) decomposes at 600 \(\circ\)C according t…

Nitrous oxide (N2O) decomposes at 600 \(\circ\)C according to the balanced equation   2N2O (g)   \(-\succ\)  2N2 (g)   +   O2(g)   A reaction mechanism involving three steps is shown below. Identify all of the catalysts in the following mechanism.   Cl2 (g)   \(-\succ\)   2Cl (g) N2O (g)   +   Cl (g)   \(-\succ\)   N2 (g)   +   ClO (g)  (occurs twice) ClO (g)   +   ClO (g)   \(-\succ\)  Cl2 (g)   +   O2 (g)  

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At 700 K, the reaction   2SO2  (g)   +   O2 (g)  \(\prec-\su…

At 700 K, the reaction   2SO2  (g)   +   O2 (g)  \(\prec-\succ\)  2SO3 (g)  has the equilibrium constant Kc = 4.3 \(\times\) 106, and the following concentrations are present: [SO2] = 0.10 M; [SO3] = 10.0 M; [O2] = 0.10 M.   Is the mixture at equilibrium? If not at equilibrium, in which direction (as the equation is written), left to right or right to left, will the reaction proceed to reach equilibrium?

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Chromate ion is added to a saturated solution of Ag2CrO4 to…

Chromate ion is added to a saturated solution of Ag2CrO4 to reach 0.78 M CrO42-. Calculate the final concentration of silver ion at equilibrium (Ksp for Ag2CrO4 is 9.0 ×10-12).

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Which of the following compounds is more soluble in acidic s…

Which of the following compounds is more soluble in acidic solution than in pure neutral water?

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The Ksp for BaF2 is is 2.4 10–5. When 10 mL of 0.01 M NaF is…

The Ksp for BaF2 is is 2.4 10–5. When 10 mL of 0.01 M NaF is mixed with 10 mL of 0.01 M BaNO3, will a precipitate form?

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Consider the following equilibrium: PCl3(g) + Cl2(g)   PCl5(…

Consider the following equilibrium: PCl3(g) + Cl2(g)   PCl5(g)          H = -92 kJ The concentration of PCl3 at equilibrium may be increased by

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Multiple Choice Which of the following is a conjugate acid/b…

Multiple Choice Which of the following is a conjugate acid/base pair?

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What is the molar solubility of AgCl (Ksp = 1.57 ×10–10) in…

What is the molar solubility of AgCl (Ksp = 1.57 ×10–10) in 0.0035 M sodium chloride at 25 ºC?

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