A cup of hot coffee is placed inside a large well-insulated
A cup of hot coffee is placed inside a large, well-insulated container. Over a five minute period, the entropy of the cup decreases by 100 J/K. What can you say about the entropy of the air surrounding the cup?
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an airplane is flying during a thundercloud at a height of 2100 m this is a very dangerous thing to do because of
through one engine cycle a lawnmower engine does 552 j of net work in the process it expels 153 j of energy as heat
in a reversible process called isothermal expansion 457 j of heat are transferred into a quantity of gas in an engine
ultratech inc manufactures several different types of printed circuit boards however two of the boards account for
a cup of hot coffee is placed inside a large well-insulated container over a five minute period the entropy of the cup
an amount of gas in a well-insulated container is compressed reversibly and adiabatically to half its initial volume
a commuting student leaves home and drives to school at an average speed of 380 kmh after 250 min he realizes that he
1 find the mass eg in grams and number of food calories to in your favourite candy bar either on-line or by going to a
an engine running at 383 percent efficiency receives 287 j of heat from the hot reservoir through each cycle how much
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