26. A student constructs the device shown to measure the change in temperature that occurs when two liquids at different temperatures are combined. thermometer lid foam cup Write an X in the appropriate cell in the table to tell whether each statement describes an additional step the student could take to minimize the amount of thermal energy lost to the environment by the device. Steps taken to minimize energy loss Yes No A. Surround the foam cup with insulation. B. Put the foam cup inside another foam cup. C. Stir the liquids continually after combining them. D. Keep the air surrounding the cup as cold as possible. E. Combine the liquids before pouring them into the cup. F. Transfer the liquids into the cup quickly before replacing the lid.
26. A student constructs the device shown to measure the change in temperature that occurs when two liquids at different temperatures are combined. thermometer lid foam cup Write an X in the appropriate cell in the table to tell whether each statement describes an additional step the student could take to minimize the amount of thermal energy lost to the environment by the device. Steps taken to minimize energy loss Yes No A. Surround the foam cup with insulation. B. Put the foam cup inside another foam cup. C. Stir the liquids continually after combining them. D. Keep the air surrounding the cup as cold as possible. E. Combine the liquids before pouring them into the cup. F. Transfer the liquids into the cup quickly before replacing the lid.
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Thermochemistry
Thermochemistry can be considered as a branch of thermodynamics that deals with the connections between warmth, work, and various types of energy, formed because of different synthetic and actual cycles. Thermochemistry describes the energy changes that occur as a result of reactions or chemical changes in a substance.
Exergonic Reaction
The term exergonic is derived from the Greek word in which ‘ergon’ means work and exergonic means ‘work outside’. Exergonic reactions releases work energy. Exergonic reactions are different from exothermic reactions, the one that releases only heat energy during the course of the reaction. So, exothermic reaction is one type of exergonic reaction. Exergonic reaction releases work energy in different forms like heat, light or sound. For example, a glow stick releases light making that an exergonic reaction and not an exothermic reaction since no heat is released. Even endothermic reactions at very high temperature are exergonic.
Question
2.
Transcribed Image Text:26. A student constructs the device shown to measure the change in temperature that occurs when two
liquids at different temperatures are combined.
thermometer
lid
foam cup
Write an X in the appropriate cell in the table to tell whether each statement describes an additional step
the student could take to minimize the amount of thermal energy lost to the environment by the device.
Steps taken to minimize energy loss
Yes
No
A. Surround the foam cup with insulation.
B. Put the foam cup inside another foam cup.
C. Stir the liquids continually after combining them.
D. Keep the air surrounding the cup as cold as possible.
E. Combine the liquids before pouring them into the cup.
F. Transfer the liquids into the cup quickly before replacing the lid.
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