For a real substance the enthalpy is function of temperature and pressure. Write an integral equation that expresses the enthalpy change per unit mass of the substance when the temperature and pressure change from T1 to T2 and p1 to p2.
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The surface of Venus is much hotter than the Earth because it
A) has no magnetic field B) has a very thick atmosphere of carbon dioxide C) has a much higher rate of volcanic activity D) is closer to the Sun
The sunspot cycle is sometimes described as lasting 11 years, but others prefer to consider it as 22 years; explain the rationale
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Find the pressure in atmospheres in the water at the base of Dworshak Dam if the water in the reservoir is 200 meters deep. (1.01 × 10^5 N/m2 = 1 ATM.)
a. 20.4 ATM b. 24.7 ATM c. 29.4 ATM d. 194 ATM e. 75 ATM
Critics in 1972 decried the report of the Club of Rome known as the "limits to growth." Why did this Club of Rome study, which predicted that materials would become economically too expensive to exploit in the future, cause such a stir?
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