The specific heat of iron is 0.11 cal /g·°C. What will be the final temperature if 275 calories are added to a 75.0 piece of iron initially at 25°C?
A) 33°C
B) 36°C
C) 58°C
D) none of these
C
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Which of the following bases is not a lactam?
A) adenine B) cytosine C) guanine D) None, they are all lactams.
Which U.S. city has been the destination of choice for Puerto Ricans migrating to the United States?
A) New York City B) Houston C) Chicago D) Los Angeles E) Miami
On the windward side of the mountain, should the relative humidity of the parcel change as it rises from 2000 m to 4000 m? Why?
Assume that condensation begins at 100% relative humidity and that no evaporation takes place as the parcel descends.
Why does temperature increase with altitude in the stratosphere?
A) Chlorofluorocarbons increase ozone concentrations, which enhance temperature. B) the anthropogenic greenhouse effect (which is a recent phenomenon) C) due to the effects of the normal lapse rate effect D) Ozone acts as a greenhouse gas which traps infrared energy radiated by Earth's surface. E) Ozone absorbs ultraviolet radiation from the Sun and then reradiates it at infrared wavelengths.