One mole of an ideal gas has a temperature of 25°C. If the volume is held constant and the pressure is doubled, the final temperature (in °C) will be
a. 174
b. 596
c. 50
d. 323
e. 25
d
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When an LRC series circuit is driven at resonance, which of the following statements about the circuit are correct? (There may be more than one correct choice.)
A) The inductive reactance and the capacitive reactance are both zero. B) The impedance of the circuit is zero. C) The impedance of the circuit has its minimum value. D) The impedance of the circuit has its maximum value. E) The inductive reactance and the capacitive reactance are exactly equal to each other.
Estimate the rate of evaporation of acetone into 75ºF air from an open 4-inch-diameter by 8-inch-tall jar when the liquid acetone is 2 inches deep at the bottom of the jar and fresh air passes over the top of the jar.
What will be an ideal response?
A 1.50-m long gas column that is open at one end and closed at the other has a fundamental resonant frequency 80.0 Hz. What is the sound speed in this gas?
A) 120 m/s B) 53.3 m/s C) 30.0 m/s D) 213 m/s E) 480 m/s
The following images were all taken by spacecraft. Which one shows a comet?
