45. Temperature and Gas Laws

45. Temperature and Gas Laws - heat )-273 degrees Celsius)...

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THE MECHANICAL UNIVERSE Name: Mai Nguyen Video 45. Temperature and Gas Laws Class: PHYS 2425 1P1 1. Is it possible to measure temperature directly? No. 2. What is necessary to measure temperature effectively? An accepted scale; effective scientific scales 3. What is pressure? The force-per-unit-area exerted. 4. Heating a gas increases the kinetic energy of molecules. 5. How does the pressure of a gas relate to its volume? Pressure is inversely proportional to the volume. 6. State Boyle’s Law: PV=constant 7. Define “absolute zero” the lowest possible temperature at which a gas would be entirely without
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Unformatted text preview: heat )-273 degrees Celsius) 8. Where does ice melt on the Kelvin scale? 273 Kelvin 9. What is the temperature at the core of the sun? 15 million Kelvins 10. What mechanical property of a gas does temperature depend on? heat/average kinetic energy of its molecules. 11. Describe how Fahrenheit came up with his temperature scale? Traveled to see how Roemer calibrated his thermometers; multipied everything by 4 to get rid of fractions; shifted them; measured temperature of boiling water then that shifted the body temperature a slight bit....
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45. Temperature and Gas Laws - heat )-273 degrees Celsius)...

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