If the natural logarithm of the rate of a thermally activated process is plotted on the yaxis as a function of the inverse of the absolute temperature on the x-axis, the slope of this plot is equal to the _____________ divided by Boltzmann’s constant.
Fill in the blank(s) with the appropriate word(s).
activation enthalpy
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A block is pushed up a frictionless 30° incline by an applied force as shown. If F = 25 N and M = 3.0 kg, what is the magnitude of the resulting acceleration of the block?
A. 2.3 m/s2 B. 4.6 m/s2 C. 3.5 m/s2 D. 2.9 m/s2 E. 5.1 m/s2
A person gazes at a very distant light source. If she now holds up two fingers, with a very small gap between them, and looks at the light source, she will see
A) a series of bright spots. B) the same thing as without the fingers, but dimmer. C) a hazy band of light varying from red at one side to blue or violet at the other. D) a sequence of closely spaced bright lines.
Impacts of large asteroids on the Earth's surface generally result in
A) localized destruction close to the impact area B) the destruction of most but not all life on Earth C) the formation of Moons D) total destruction of all life on Earth
The most important climatic factors that affect the rate of chemical weathering are heat and ______________
Fill in the blank(s) with correct word