In an experiment, identical heat lamps are arranged to shine on two identical containers, one containing water and the other containing, methanol, a nonpolar compound. Each liq- uid absorbed the same amount of energy minute by minute, and the change in tempera- ture over time was recorded for each molecule. The results from the experiment are illus trated in the graph below. 40 temperature (°C) 25 0 methanol time (minutes) water The heat-related temperature of water and methanol increases over time. 20
In an experiment, identical heat lamps are arranged to shine on two identical containers, one containing water and the other containing, methanol, a nonpolar compound. Each liq- uid absorbed the same amount of energy minute by minute, and the change in tempera- ture over time was recorded for each molecule. The results from the experiment are illus trated in the graph below. 40 temperature (°C) 25 0 methanol time (minutes) water The heat-related temperature of water and methanol increases over time. 20
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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
Transcribed Image Text:In an experiment, identical heat lamps are arranged to shine on two identical containers,
one containing water and the other containing, methanol, a nonpolar compound. Each liq-
uid absorbed the same amount of energy minute by minute, and the change in tempera-
ture over time was recorded for each molecule. The results from the experiment are illus
trated in the graph below.
A
B
40
с
temperature (°C)
D
25
The heat-related temperature of water and methanol increases over time.
methanol
Which of the following best explains the results illustrated in the above figure?
time (minutes)
water
20
Water temperature increases more quickly because part of the supplied heat energy is
used to transition the water molecules from a liquid physical state to a gaseous physical
state, which does not occur in methanol
Water temperature increases more quickly because part of the supplied heat energy is
used to break the hydrogen bonds between water molecules, which do not occur be
tween methanol molecules.
Water temperature increases more slowly because part of the supplied heat energy is
used to transition the water molecules from a liquid physical state to a gaseous physical
state, which does not occur in methanol.
Water temperature increases more slowly because part of the supplied heat energy is
used to break the hydrogen bonds between water molecules, which do not occur be
tween methanol molecules.
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