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College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Question
Choose the BEST answer to the following:
Thermal
(a) electrons.
(b) protons.
(c) neutrons.
(d) ions.
Expert Solution
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Step 1
Step 1
Metals such as steel, copper and aluminum are excellent thermal conductors.
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Step 2
Step 2
Thermal conduction is the transfer of heat in internal energy by microscopic collisions of particles and movement of electrons within a body.
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- The escape velocity of any object from Earth is 11.2 km/s. (a) Express this speed in m/s and km/h. Speed, m/s: 11200 Speed, km/h: 40320 (b) At what temperature would oxygen molecules (molecular mass is equal to 32 g/mol) have an average velocity, v, 'ms' equal to Earth's escape velocity 11.2 km/s? Temperature: 1,89 ×108 K No, that's only partially correctarrow_forwardA pound of body fat stores an amount of chemical energy equivalent to 3,500 Cal. When sleeping, the average adult burns or expends about 0.42 Cal/h for every pound of body weight.How long would the person have to sleep continuously to lose 1 lb of body fat? (Assume the person weighs 150 lb.) Answer in hours.arrow_forwardCalculate AH, AS, and AG at 298 K for the reaction below. Please take note of units. B2H6(g) 2BH3(g) B2H6(g) 2BH3(g) AH 35 (kJ/mol) 110.0 IS 232.0 (J/mol-K) 188.0 AHxn kJ J/mol·K AGrxn kJ 關 %3Darrow_forward
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