Due to the unusual thermal expansion properties of water, when a lake freezes during the winter, the water at the bottom of the lake is at ________ temperature than the water above it
A) the same
B) a higher
C) a lower
B
You might also like to view...
Consider the following processes: The temperature of two identical gases are increased from the same initial temperature to the same final temperature. Reversible processes are used. For gas A the process is carried out at constant volume while for gas B it is carried out at constant pressure. The change in entropy:
A. is the same for A and B B. is greater for A C. is greater for B D. is greater for A only if the initial temperature is low E. is greater for A only if the initial temperature is high
Astronomers use Wien's law to measure the temperature at the Sun's interior.
Answer the following statement true (T) or false (F)
Jill is farsighted and cannot see objects clearly that are closer to the eye than 80.0 cm. What is the focal length of the contact lenses that will enable her to see objects at a distance of 25.0 cm from her eyes?
A) +36.4 cm B) -36.4 cm C) -21.2 cm D) +21.2 cm E) +32.5 cm
Water flows in the horizontal pipe shown in Fig. 13-6. At A the diameter is 5.00 cm and at B the diameter is 4.00 cm
The fluid in the manometer is mercury, which has a density of 13,600 kg/m3. The manometer reading h is 4.40 cm. What volume of water is flowing through the pipe per second? A) 0.0206 m3/s B) 0.0426 m3/s C) 0.00560 m3/s D) 0.372 m3/s E) 0.186 m3/s