A student added 10 g (0.25 mol) of sodium hydroxide to 40 cm3 of water to make a concentrated solution. All the sodium hydroxide dissolved. The student measured the maximum temperature rise. The student suggested that these results would give an accurate value for the standard enthalpy change of solution. Give two reasons why the student is incorrect. ation of etbanc

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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A student added 10 g (0.25 mol) of sodium hydroxide to 40 cm3 of water to
make a concentrated solution. All the sodium hydroxide dissolved. The
student measured the maximum temperature rise. The student suggested
that these results would give an accurate value for the standard enthalpy
change of solution. Give two reasons why the student is incorrect.
of combustion of ethano!
Transcribed Image Text:mol- A student added 10 g (0.25 mol) of sodium hydroxide to 40 cm3 of water to make a concentrated solution. All the sodium hydroxide dissolved. The student measured the maximum temperature rise. The student suggested that these results would give an accurate value for the standard enthalpy change of solution. Give two reasons why the student is incorrect. of combustion of ethano!
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