Which of the following will have the highest electrical conductivity?
A) 0.1 M NaCl
B) 0.2 M NaCl
C) 0.3 M NaC2H3O2
D) 0.4 M NaC2H3O2
D
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If you were to increase the pressure of a gas above a liquid (such as by pressing a piston above a liquid) what happens?
A) The gas is forced into solution and the solubility increases. B) The solution is compressed and the gas is forced out of the solvent. C) The pressure goes down and the gas moves out of the solvent. D) The pressure goes down and the gas goes into the solvent. E) The amount of gas in the solution would stay the same.
Diatoms flourished during the Miocene, likely because increased volcanism meant oceans were enriched in the
element ____________________, which diatoms use to build their skeletons. Fill in the blank(s) with the appropriate word(s).
The Southern Oscillation Index (SOI)
A) is defined as the monthly sea level pressure departure from normal at Tahiti minus the departure from normal at Darwin, Australia. B) can be used to give a historical perspective on ENSO occurrences. C) is negative during a La Nina event. D) is positive during an El Nino event. E) Only A and B are true.
The substance shown below is called cisplatin and is used in the treatment of testicular cancer. [Pt(NH3)2Cl2] Which of the following correctly describes this substance?
A) Both Cl and NH3 are ligands. B) The substance contains six coordinate covalent bonds. C) Pt obeys the 18-electron rule. D) All of the above are correct for this substance.