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Chapter 6: Q15 P (page 142)
What concentration of (ferrocyanide) is in equilibrium with androle="math" localid="1663331502441" ? Express your answer with a prefix from Table 1-3.
was calculated as .
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(a) A favorable entropy change occurs when is positive. Does the order of the system increase or decrease when is positive?
(b) A favorable enthalpy change occurs when is negative. Does the system absorb heat or give off heat when is negative?
(c) Write the relation between ,and . Use the results of parts (a) and (b) to state whether must be positive or negative for a spontaneous change.
Write the expression for the equilibrium constant for each of the following reactions. Write the pressure of a gas, X , as .
(a)
(b)
Identify the Bronsted-Lowry acids among the reactants in the following reactions:
(a)
(b)
The planet Aragonose (which is made mostly of the mineral
aragonite, or ) has an atmosphere containing methane and
carbon dioxide, each at a pressure of 0.10 bar. The oceans are
saturated with aragonite and have a concentration of equal to
. Given the following equilibria, calculate how many
grams of calcium are contained in 2.00 L of Aragonose seawater.
Don鈥檛 panic! Reverse the first reaction, add all the reactions
together, and see what cancels.
For the reaction . Combine this reaction with the reaction to find the equilibrium constant for the reaction
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