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Chapter 13: Temperature and Kinetic Theory

Expert-verified
Physics Principles with Applications
Pages: 359 - 389
Physics Principles with Applications

Physics Principles with Applications

Book edition 7th
Author(s) Douglas C. Giancoli
Pages 978 pages
ISBN 978-0321625922

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77 Questions for Chapter 13: Temperature and Kinetic Theory

  1. A student’s weight displayed on a digital scale is \({\bf{117}}{\bf{.2}}\;{\bf{lb}}\). This would suggest her weight is(a) within\({\bf{1\% }}\)of\({\bf{117}}{\bf{.2}}\;{\bf{lb}}\).(b) exactly \({\bf{117}}{\bf{.2}}\;{\bf{lb}}\).(c) somewhere between \({\bf{117}}{\bf{.18}}\;{\bf{lb}}\) and \({\bf{117}}{\bf{.2}}\;{\bf{lb}}\).(d) somewhere between \({\bf{117}}{\bf{.0}}\) and \({\bf{117}}{\bf{.4}}\;{\bf{lb}}\).

    Found on Page 359

  2. A concrete building is built of slabs 12 m long\({\rm{(15^\circ C)}}\). How wide should the expansion cracks between the slabs the at \({\rm{(15^\circ C)}}\) to prevent buckling if the range of temperature is \( - 30{\rm{^\circ C}}\)to \(50^\circ {\rm{C}}\)

    Found on Page 359

  3. Question 10: The units for the coefficient of linear expansion \({\bf{\alpha }}\) are \({\left( {{\bf{C^\circ }}} \right)^{{\bf{ - 1}}}}\)and there is no mention of a length unit such as meters. Would the expansion coefficient change if we used feet or millimeters instead of meters? Explain.

    Found on Page 359

  4. (I) Super Invar™, an alloy of iron and nickel, is a strong material with a very low coefficient of thermal expansion \(\alpha = 0.20 \times 1{0^{ - 6}}\;/^\circ C\). A 1.8-m-long tabletop made of this alloy is used for sensitive laser measurements where extremely high tolerances are required. How much will this alloy table expand along its length if the temperature increases 6.0 C°? Compare to tabletops made of steel.

    Found on Page 359

  5. Question 11: When a cold alcohol-in-glass thermometer is first placed in a hot tub of water, the alcohol initially descends a bit and then rises. Explain.

    Found on Page 359

  6. (II) To what temperature would you have to heat a brass rod for it to be 1.5% longer than it is at 25°C?

    Found on Page 359

  7. Question 12: The principal virtue of Pyrex glass is that its coefficient of linear expansion is much smaller than that for ordinary glass (Table 13–1). Explain why this gives rise to the higher heat resistance of Pyrex.

    Found on Page 359

  8. (II) To make a secure fit, rivets that are larger than the rivet hole are often used and the rivet is cooled (usually in dry ice) before it is placed in the hole. A steel rivet 1.872 cm in diameter is to be placed in a hole 1.870 cm in diameter in a metal at 22°C. To what temperature must the rivet be cooled if it is to fit in the hole?

    Found on Page 359

  9. Question 13: Will a clock using a pendulum supported on a long thin brass rod that is accurate at 20°C run fast or slow on a hot day (30°C)? Explain.

    Found on Page 359

  10. Question:(II) An ordinary glass is filled to the brim with 450.0 mL of water at 100.0°C. If the temperature of glass and water is decreased to 20.0°C, how much water could be added to the glass?

    Found on Page 359

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