Model 3 – Heating Mercury and Water Trial Substance Mass (grams) AT ("C) Added Energy (Joules) Hg 100.0 71.0 1,000.0 2 Hg 100.0 142 2,000.0 3 H,O но 100.0 2.39 1,000.0 100.0 4.78 2,000.0 1. Choose any two trials that use the same amount of energy but involve different substances and comment on whether the temperature change is the same in both trials?

Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN:9780618974122
Author:Andrei Straumanis
Publisher:Andrei Straumanis
Chapter13: Substitution
Section: Chapter Questions
Problem 9CTQ
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Model 3 – Heating Mercury and Water
Trial
Substance
Mass (grams)
AT (°C)
Added Energy (Joules)
1
Hg
100.0
71.0
1,000.0
2
Hg
H,O
HO
100.0
142
2,000.0
3
100.0
2.39
1,000.0
4
100.0
4.78
2,000.0
1. Choose any two trials that use the same amount of energy but involve different
substances and comment on whether the temperature change is the same in both trials?
2. The specific heat of water was determined to be 4.18 J/g.°C using the data from the table
3. Use the data from table 3 to determine the specific heat of mercury.
3. Complete the following sentence
When the same amount of energy is added to two samples of different substances that
have the same mass, the substance with the larger specific heat will have the
(larger/smaller) temperature change.
4. If 20,000 J of energy are used to heat water by 4.00 °C, what is the mass of water?
Transcribed Image Text:Model 3 – Heating Mercury and Water Trial Substance Mass (grams) AT (°C) Added Energy (Joules) 1 Hg 100.0 71.0 1,000.0 2 Hg H,O HO 100.0 142 2,000.0 3 100.0 2.39 1,000.0 4 100.0 4.78 2,000.0 1. Choose any two trials that use the same amount of energy but involve different substances and comment on whether the temperature change is the same in both trials? 2. The specific heat of water was determined to be 4.18 J/g.°C using the data from the table 3. Use the data from table 3 to determine the specific heat of mercury. 3. Complete the following sentence When the same amount of energy is added to two samples of different substances that have the same mass, the substance with the larger specific heat will have the (larger/smaller) temperature change. 4. If 20,000 J of energy are used to heat water by 4.00 °C, what is the mass of water?
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