When substances are heated, they typically expand (increase in volume). Under certain circumstances, some substances will contract (decrease in volume) when heated. Table 1 shows the change in volume that occurred when 1.000 L samples of solids at different initial temperatures were heated. Tables 2 and 3 show the results for similar trials using 1.000 L samples of liquids and gases.
(Note: No phase changes occurred in any of the trials and the gas samples were heated at constant pressure.)
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Question 1 of 5
1. Question
Question 1:
Which of the following substances listed in Tables 1–3 expanded by the same amount each time it was heated, regardless of its initial temperature?
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Question 2 of 5
2. Question
Question 2:
Based on Table 1, if a 1.000 L sample of lead at 24 degrees C is cooled to 14 degrees C, the volume will most likely:
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Question 3 of 5
3. Question
Question 3:
A scientist claimed that whenever water is heated, it will expand. Based on Tables 1 and 2, is his claim valid?
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Question 4 of 5
4. Question
Question 4:
Which of the following is a plausible explanation for the change in volume observed for the lead samples listed in Table 1? As the lead samples were heated, the lead atoms in the sample moved:
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Question 5 of 5
5. Question
Question 5:
Based on Table 3, if 1.000 L of helium at 24 degrees C is heated to 34 degrees at constant pressure, the change in volume will most likely be closest to which of the following?
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