As the ideal gas expands from pressure P1 and volume V1 to pressure P2 and volume V2 along the indicated straight line, it is possible that:
a.
the temperature stays constant.
b.
the internal energy decreases.
c.
the gas is changing state.
d.
all of the above are impossible for this particular graph.
d
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Scientists once thought that Earth's primary atmosphere was composed of _____
A) hydrogen and methane B) nitrogen and oxygen C) carbon dioxide and methane D) oxygen and hydrogen
Wien's Law: What is the frequency of the most intense radiation from an object with temperature 100°C? The constant in Wien's law is 0.0029 m ? K. (c = 3.0 × 108 m/s)
A. 2.9 × 10-5 Hz B. 3.9 × 1013 Hz C. 1.0 × 1013 Hz D. 1.0 × 1011 Hz
What does the graph indicate concerning the relationship between percent concentration of solution and the changes in temperature?
For general projectile motion, the vertical component of a projectile's acceleration
A) is zero. B) remains a non-zero constant. C) continuously increases. D) continuously decreases. E) any of the above, depending on position.