When the surface of the reactive metal titanium is passivated, _________ forms on the surface of the metal.
Fill in the blank(s) with the appropriate word(s).
titanium dioxide
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Vector V1 is (5i + 7j - 3k), vector V2 is (7i + 2j + 14k), and vector V3 is (i - 2j + 5k). The scalar triple productV1*( V2 x V3) is:
(A) -91 (B) 82 (C) 56 (D) 91
In the atmospheres of the jovian planets, this component increases, systematically, with distance from the Sun
A) Hydrogen B) Helium C) Methane D) Ammonia E) Nitrogen
In the hypothetical atomic interaction shown in figure C9.13, suppose the atoms initially are separated by a very large distance but are approaching each other with kinetic energy 
. Roughly how close will the atoms get to each other eventually?
A. r = 0
B. r = 0.05 nm
C. r = 0.2 nm
D. r = 0.4 nm
E. Other (specify)
Why does the temperature of the corona rise with latitude? a. Atoms undergo fission when repelled by the corona
b. Atoms become neutralized as they dissipate in higher altitudes. c. Atoms within the corona become more ionized at higher altitudes. d. Atoms are forced upward from the chromosphere to the corona. e. Atoms are less excited as they move from the photosphere to the corona.