thermometer has it rise inside a sealed tube as T increases. Practice Problem 14
ID: 1779539 • Letter: T
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thermometer has it rise inside a sealed tube as T increases. Practice Problem 14.4 Part A -Practice Problem: In this example we will compare the volume expansion of a liquid with the volume expansion of the vessel that holds the liquid. A glass flask with a vclume of 200 cm is filled to the brim with mercury at 20 °C. When the temperature of the system is raised to 100 °C, does the mercury overflow the flask? If so, by how much? The coefficient of volume expansion of the glass is 1.2 × 10-5 K-1 Coefficients of volume expansion (K i) Material Solias Quartz (fused) Invar Glass Sleel Copper Brass 0.12 × 10-5 0.27× 10 s 1.2-2.7x 105 3.6 10 5.1 × 10-5 6.0 x 10- 7.2 × 10-5 Liquids Mercury Glycerin Ethanol Carbon disulfide 18 × 10-s 49 × 10 s 75 × 10-5 115 × 10-5 Suppose we replace the mercury with carbon disulfide. How much carbon disulfide runs over the flask? Express your answer in cubic centimenters to three significant figures. My Answers Give UR Incorrect; Try Again; 5 attempts remaining Provide Feedback ContinueExplanation / Answer
new volume of glass flask =0.0002 m^3 + 1.2 x 10^ -5 (0.0002 m^3) (353.15 K) =0.00020084756 m^3= 200.84756 cm^^3 apprx
new volume of mercury = 0.0002 m^3 + 18 x 10^ -5 (0.0002 m^3) (353.15 K)= 212.7134 cm^2
mercury will outflow by = 212.7134 - 200.84756 =11.86584 cm^3 apprx
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