12. Consider the statement "Two samples that have the same mass, volume, density, and boiling point are composed of the same substance, even if the two sam- ples have different melting points." Which of Stu- dents 2 and 4, if either, would be likely to agree with this statement? F. Student 2 only G. Student 4 only H. Both Student 2 and Student 4 J. Neither Student 2 nor Student 4

Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
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B. Students 2 and 4 only
C. Students 3 and 4 only
D. Students 2, 3, and 4
12. Consider the statement "Two samples that have the
same mass, volume, density, and boiling point are
composed of the same substance, even if the two sam-
ples have different melting points." Which of Stu-
dents 2 and 4, if either, would be likely to agree with
this statement?
F. Student 2 only
G. Student 4 only
H. Both Student 2 and Student
J. Neither Student 2 nor Student 4
3. Suppose that the temperature of Sample D is increased
to 890°C at 1 atm of pressure. Will the sample's den-
sity be lower than or higher than it was at 20°C and
1 atm ?
A. Lower; Sample D will be a gas, and gases gener-
ally have lower densities than do solids.
B. Lower; Sample D will be a liquid, and liquids gen-
· erally have lower densities than do solids.
C. Higher; Sample D will be a gas, and gases gener-
ally have higher densities than do solids.
D. Higher; Sample D will be a liquid, and liquids
generally have higher densities than do solids.
Transcribed Image Text:B. Students 2 and 4 only C. Students 3 and 4 only D. Students 2, 3, and 4 12. Consider the statement "Two samples that have the same mass, volume, density, and boiling point are composed of the same substance, even if the two sam- ples have different melting points." Which of Stu- dents 2 and 4, if either, would be likely to agree with this statement? F. Student 2 only G. Student 4 only H. Both Student 2 and Student J. Neither Student 2 nor Student 4 3. Suppose that the temperature of Sample D is increased to 890°C at 1 atm of pressure. Will the sample's den- sity be lower than or higher than it was at 20°C and 1 atm ? A. Lower; Sample D will be a gas, and gases gener- ally have lower densities than do solids. B. Lower; Sample D will be a liquid, and liquids gen- · erally have lower densities than do solids. C. Higher; Sample D will be a gas, and gases gener- ally have higher densities than do solids. D. Higher; Sample D will be a liquid, and liquids generally have higher densities than do solids.
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