Susan heats a closed container over a stove. Using an electronic thermometer and
ID: 1535817 • Letter: S
Question
Susan heats a closed container over a stove. Using an electronic thermometer and pressure sensor, she records the pressure (P) and the temperature (T) at various times during this process. Using her data, she makes the following pressure versus temperature plot:
Which of the following statements is consistent with this data?
A. “Pressure is directly proportional to temperature.”
B. “Pressure does not depend on temperature.”
C. “Pressure is directly proportional to the square of the temperature.”
D. Statements A and B are both consistent with the data.
E. None of the statements A-C is consistent with the data.
Pressure (Pa) versus Temperature (C) 140000 120000 100000 80000 60000 40000 20000 10 20 30 40 50 60Explanation / Answer
A)Pressure is directly proportional to temperature.”
With the increase of temperature, Pressure is increasing.
Considering the air inside the container as ideal gas
PV = n R T
Pressure increases with the increase of temperaure, as there is none other factor affecting it in the given situation. Volume is constant.
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