In which of the following compounds would hydrogen bonding not be expected among the molecules?
a. NH3
b. CH4
c. H2O
d. HF
b
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Of the following photons, which has the lowest energy?
a. visible b. ultraviolet c. infrared d. microwave
Constant Acceleration Kinematics: A train starts from rest and accelerates uniformly until it has traveled 2.1 km and acquired a forward velocity of 24 m/s. The train then moves at a constant velocity of 24 m/s for 400 s. The train then slows down uniformly at 0.065 m/s2, until it is brought to a halt. The distance traveled by the train while slowing down is closest to
A. 4.4 km. B. 4.2 km. C. 4.0 km. D. 3.8 km. E. 3.6 km.
If you want to design a phototube that is able to respond to all visible light wavelengths, what should its cathode’s work function be?
A. Below 1.77 eV B. Any value between 1.77 eV and 3.1 eV C. Some specific value between 1.77 eV and 3.1 eV D. Above 3.1 eV E. Some other value or range (specify)
A Hooke's law spring is compressed a distance d and is used to launch a mass m vertically to a height h above its starting position. Under the same compression d, the spring is now used to launch a mass of 2m. How high does this second mass rise?
a. h c. h/1.41 b. h/2 d. h/4