A cube of some frozen substance whose mass is 0.062 kg is taken from a freezer, where its temperature was -11.2 °C, and dropped into a beaker containing the same substance in liquid phase at 2.49 °C. If no heat is gained or lost from outside, how much of the substance (in grams) freezes onto che cube? The latent heat of fusion (AHfus) of this chemical is 34.10 x 104 J/kg and the specific heat capacity is 2,469 J/kg °C. HINT: Find the energy needed to bring the temp of the cube to the temp of the liquid. Then use AHfus = q / m) to find the
A cube of some frozen substance whose mass is 0.062 kg is taken from a freezer, where its temperature was -11.2 °C, and dropped into a beaker containing the same substance in liquid phase at 2.49 °C. If no heat is gained or lost from outside, how much of the substance (in grams) freezes onto che cube? The latent heat of fusion (AHfus) of this chemical is 34.10 x 104 J/kg and the specific heat capacity is 2,469 J/kg °C. HINT: Find the energy needed to bring the temp of the cube to the temp of the liquid. Then use AHfus = q / m) to find the
Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter12: The Solid State
Section: Chapter Questions
Problem 31PS: Benzene, C6H6, is an organic liquid that freezes at 5.5 C (Figure 11.1) to form beautiful,...
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When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
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Transcribed Image Text:A cube of some frozen substance whose mass is 0.062 kg is taken from a freezer, where its
temperature was -11.2 °C, and dropped into a beaker containing the same substance in liquid phase at
2.49 °C. If no heat is gained or lost from outside, how much of the substance (in grams) freezes onto
the cube? The latent heat of fusion (AHfus) of this chemical is 34.10 x 104 J/kg and the specific heat
capacity is 2,469 J/kg °C.
HINT: Find the energy needed to bring the temp of the cube to the temp of the liquid. Then use
(AHfus = q / m) to find the mass.
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