The temperature of an ideal gas in a sealed 0.40-m3 rigid container is reduced from 350 K to 270 K. The final pressure of the gas is 60 kPA.
The molar heat capacity at constant volume of the gas is 28.0 J/mol K. The heat absorbed by the gas is closest to
A) -24 kJ.
B) -31 kJ.
C) 24 kJ.
D) 31 kJ.
E) 0.00 kJ.
Question 2
A transformer for a laptop computer converts a 120-V input to a 24-V output. Compared with the number of turns on the primary coil, the secondary has
A) 1/5 as many turns.
B) 5 times as many turns.
C) the same number of turns.
D) none of the above
Enzyme activity is affected substantially by temperature
Use of the tympanic thermometer to measure body temperature.
Body Temperature Responses
Homeostasis is analogous to regulation of temperature via a thermostat.
A container with gasoline containing alcohol. Notice the separation line where the alcohol-water ...
Influences on Temperature: South-facing slopes are typically more vegetated than north-facing ...