An object transfers heat when its temperature is raised by contact with a
hotter object.
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Why is Titan considered a good candidate for life?
A) It has lakes and rivers of liquid methane and ethane that could support life as water does on Earth. B) Cassini measurements suggest it has an ocean of liquid water beneath its surface. C) There is evidence for several volcanic cones that likely erupt liquid water that is below Titan's frozen crust. D) All of the above
A hydrocarbon that is not classified as aromatic must be classified as
a. nucleophilic. b. synthetic. c. aliphatic. d. carboxylic.
What two things are needed to create an emission nebula?
A) interstellar gas and dust B) hydrogen gas and carbon dust C) hydrogen fusion and helium ionization D) hot stars and interstellar gas, particularly hydrogen E) cool stars and much interstellar dust
A windowpane is half a centimeter thick and has an area of 1.10 m2 . The temperature difference between the inside and outside surfaces of the pane is 19.0 °C. What is the rate of heat flow through this window? (Thermal conductivity for glass is 0.840 J/s/m/°C.)
a. 7 020 J/s b. 3 510 J/s c. 4 180 J/s d. 1 850 J/s e. 2 200 J/s