Chapter 6: Q41P (page 143)
Make a list of the common strong acids and strong bases. Memorize this list.
Short Answer
The list:
Chapter 6: Q41P (page 143)
Make a list of the common strong acids and strong bases. Memorize this list.
The list:
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Why is the pH of distilled water usually <7? How can you prevent this from happening?
Given the following equilibria, calculate the concentration of
each zinc species in a solution saturated withand containing
at a fixed concentration of.
(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.
Which will be more soluble (moles of metal dissolved per litre of solution), or ? Give an example of a chemical reaction that might occur that would reverse the predicted solubilities.
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