Steel wool wetted with vinegar is sealed within a balloon inflated with air. After several hours, what happens to the volume of the balloon?
A) The balloon inflates.
B) The balloon deflates.
C) The balloon dissolves.
D) Nothing because the vinegar is acting on the steel wool, not upon the balloon.
Answer: B
You might also like to view...
According to Einstein, what is true of the stopping potential for a photoelectric current as the wavelength of incident light becomes shorter?
a. increases b. decreases c. remains constant d. stopping potential is directly proportional to wavelength
Starting from rest, a wheel undergoes constant angular acceleration for a period of time T. At what time after the start of rotation does the wheel reach an angular speed equal to its average angular speed for this interval?
a. 0.25T c. 0.67T b. 0.50T d. 0.71T
Longitudinal seismic body waves are known by the letter ______________
Fill in the blank(s) with correct word
What is Charon?
A) Pluto's largest moon B) the largest known asteroid C) the largest known comet D) one of the Galilean moons of Jupiter E) a moon of Neptune