Water has a specific heat value of ______________
Fill in the blank(s) with correct word
1.00 kcal/kg • C°
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Two bodies can be in thermal equilibrium with one another when they are at the same temperature even if they
a. absorb different quantities of thermal energy from their surroundings in equal time intervals. b. have different masses. c. have different volumes. d. have any of the properties listed above. e. have any of the properties listed above and one of them is contact with a third body at a different temperature.
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).
Electrons in a particle beam each have a kinetic energy of 4.0 × 10^?17 J. What is the magnitude of the electric field that will stop these electrons in a distance of 0.3 m? (e = 1.6 × 10^?19 C)
a. 1.9E+3 N/C b. 7.5E+3 N/C c. 8.3E+2 N/C d. 1.3E+3 N/C e. 6.3E+3 N/C
As a leaf grows, it becomes more organized. Does this process violate the law of entropy?
A) Yes; in fact, it is known that the law of entropy does not apply to biological processes such as the growth of a leaf, or biological evolution. B) No, because total energy is conserved in this process, despite the increased organization of the leaf. C) No, because the radiation passing through the leaf during this process increases its entropy, so that the total entropy increases. D) No, because the O2 that is emitted during photosynthesis has greatly increased entropy, resulting in an overall increase of the total entropy. E) No, because the sugars and other molecules of the leaf are formed at a high temperature, resulting in an overall increase of the total entropy.