Question 1
An auditorium has dimensions 10 m × 10 m × 60 m. How many moles of air fill this volume at one atmosphere and 0°C?
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2.7 × 102
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2.7 × 104
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2.7 × 103
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2.7 × 105
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2.7 × 106
Question 2
Angela claims that she wears a cylindrical-shaped hollow gold bracelet because it expands less than a solid one with a change in temperature. Clarissa claims that a cylindrical-shaped solid gold bracelet expands less than a hollow one. Which one, if either, is correct?
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Angela, because the bracelet expands outward on its outer surface and inward on its inner surface.
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Clarissa, because the bracelet expands outward on its outer surface and inward on its inner surface.
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Angela, because the inner circumference does not change, but the outer circumference expands.
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Clarissa, because the inner circumference does not change, but the outer circumference expands.
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Neither, because both the inner and outer circumferences increase in length.
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