CHEMISTRY
2nd Edition
ISBN: 9781593995782
Author: OpenStax
Publisher: XANEDU PUBLISHING
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Chapter 5, Problem 18E
How many milliliters of water at 23 °C with a density of 1.00 g/mL must be mixed with 180 mL (about 6 oz) of coffee at 95 °C so that the resulting combination will have a temperature of 60 °C? Assume that coffee and water have the same density and the same specific heat.
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Using the Nernst equation to calculate nonstandard cell voltage
A galvanic cell at a temperature of 25.0 °C is powered by the following redox reaction:
3+
3Cu²+ (aq) +2Al(s) → 3 Cu(s)+2A1³* (aq)
2+
Suppose the cell is prepared with 5.29 M Cu
in one half-cell and 2.49 M A1³+ in the other.
Calculate the cell voltage under these conditions. Round your answer to 3 significant digits.
x10
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☑
00.
18
Ar
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Chapter 5 Solutions
CHEMISTRY
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