# Test1 - PHY 1151-Test 1 Name Grade Given R = 8.314 J/mol*K...

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Name: Grade: Given: R = 8.314 J/mol*K or 0.08214 L*atm/mol* K σ = 5.67 x 10 -8 W/m 2 *K 4 k B = 1.38 x 10 -23 J/K 1 atm = 1.103 x 10 5 Pa N a = 6.022 x 10 23 1 L = 10 -3 m 3 c water = 4186 J/kg °C Latent heat of fusion of water: 3.33 x 10 5 J/kg Latent heat of vaporization of water: 2.26 x 10 6 J/kg Multiple Choice Instructions: Worth 10 points each. Half credit will be given for the “right idea, wrong answer” but only if work is shown. Use extra paper if necessary to show work. Circle the correct answer on the test sheet. Good luck! 1. A gallon container is filled with gasoline. How many gallons are lost if the temperature increases by 25 ° F (13.89 o C)? (The volume expansion of gasoline is 4 10 6 . 9 - × ( ° C) –1 .) (Neglect the change in volume of the container.) a. 2.4 × 10 –2 b. 1.3 × 10 –2 c. 3.6 × 10 –2 d. 4.8 × 10 –2 e. 9.6 × 10 –2 2. An auditorium has a volume of 6 × 10 3 m 3 . How many molecules of air are needed to fill the auditorium at standard temperature and pressure (1 atm and 273 K)? a.

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Test1 - PHY 1151-Test 1 Name Grade Given R = 8.314 J/mol*K...

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