147.5 ml of ethyl alcohol (coefficient of volume expansion
at a temperature of 273.1 K is measured into a 150.0 ml glass beaker (whose coefficient of volume expansion is negligible by comparison). To what temperature does the beaker have to be warmed for it to be completely full (i.e. for the volume of the alcohol to reach 150.0 ml)?
A. 288.0 K
B. 278.1 K
C. 283.1 K
D. 288.2 K
D. 288.2 K
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Two identical containers, A and B, hold equal amounts of the same ideal gas at the same Po, Vo and To. The pressure of A then decreases by a half while its volume doubles; the pressure of B doubles while its volume decreases by a half. Which statement correctly describes the temperatures of the gases after the changes?
a. TA = 0.5TB = To. b. TB = 0.5TA = To. c. TB = TA = To. d. TA = 2TB = To. e. TB = 2TA = To.
Describe the differences between the Ptolemaic, Tychonian, and Copernican models of the universe
What will be an ideal response?
Compared to Earth, Venus has:
A) a more transparent atmosphere. B) a lower average surface temperature. C) a far greater percentage of its surface in low-level ocean basins. D) about the same percentage of its surface in raised continents. E) a far greater percentage of its surface in raised continents.
When there is a 14.0-A current through an 8.00-? device for 24.0 hours, how much does this cost if energy costs $0.0900 per kW ? h?
A) $0.24 B) $1.04 C) $2.16 D) $3.39