Chapter 13: Q49P (page 359)
Question: (II)If the pressure in a gas is tripled while its volume is held constant, by what factor does\({v_{{\rm{rms}}}}\)change?
Short Answer
The rms speed changes by a factor of \(\sqrt 3 \).
Chapter 13: Q49P (page 359)
Question: (II)If the pressure in a gas is tripled while its volume is held constant, by what factor does\({v_{{\rm{rms}}}}\)change?
The rms speed changes by a factor of \(\sqrt 3 \).
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Get started for free(II) Compare the value for the density of water vapor at exactly 100°C and 1 atm (Table 10–1) with the value predicted from the ideal gas law. Why would you expect a difference?
Question 37:(III) An air bubble at the bottom of a lake 41.0 m deep has a volume of\({\bf{1}}{\bf{.00}}\;{\bf{c}}{{\bf{m}}^{\bf{3}}}\). If the temperature at the bottom is 5.5°C and at the top 18.5°C, what is the radius of the bubble just before it reaches the surface?
Question: We are usually not aware of the electric force acting between two everyday objects because
(a) the electric force is one of the weakest forces in nature.
(b) the electric force is due to microscopic-sized particles such as electrons and protons.
(c) the electric force is invisible.
(d) most everyday objects have as many plus charges as minus charges.
(II) In an alcohol-in-glass thermometer, the alcohol column has length 12.61 cm at 0.0°C and length 22.79 cm at 100.0°C. What is the temperature if the column has length (a) 18.70 cm, and (b) 14.60 cm?
Question:(III) The pendulum in a grandfather clock is made of brass and keeps perfect time at 17°C. How much time is gained or lost in a year if the clock is kept at 29°C? (Assume the frequency dependence on length for a simple pendulum applies.) (Hint: See Chapter 8.)
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