Suppose an car engine could be made to burn at a higher temperature, without harming or altering any other part of the engine's operation. At the higher temperature, the engine would
A) have a lower efficiency.
B) have the same efficiency but be able to operate at a higher power.
C) have a higher efficiency.
D) still consume the same amount of gasoline per kilometer traveled.
E) consume more gasoline per kilometer traveled.
C
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Prior to decoupling, all matter was ________, with free electrons and nuclei
Fill in the blank(s) with correct word
If a tree's range can migrate 30 km in a century, and warming is expected to cause isotherms to move north- and southward 300 km in a century, what can be expected to occur? Explain. Would Scotch pine (200 km per century) be similarly affected?
What will be an ideal response?
If the universe is closed and finite, then
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A certain ideal gas has a molar specific heat at constant pressure of 33.2 J/mol ? K. Its molar specific heat at constant volume is closest to which of the following values? (R = 8.31J/mol ? K)
A) 41.9 J/mol ? K B) 16.6 J/mol ? K C) 25.1 J/mol ? K D) 24.9 J/mol ? K E) 49.8 J/mol ? K