Which of the following intermolecular forces best describes why molecules like CF3CF3 are soluble in liquid CO2?
A. hydrogen bonding
B. induced dipole-induced dipole
C. dipole-dipole
D. ion-dipole
E. dipole-induced dipole
Answer: B
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Many dry cereals are fortified with iron, which is added to the cereal in the form of small iron particles. How might these particles be separated from the cereal?
A. collect the iron filings with a magnet B. heat the cereal so that the iron particles melt and thereby coalesce C. blend the cereal to a fine consistency and pass through a filter D. add water and the iron particles will float to the top
Which of the following would probably have the highest porosity?
A. unfractured gneiss B. rock salt C. unfractured granite D. sandstone
Low-grade copper deposits associated with large subduction related intrusions are called ____________________ deposits
Fill in the blank(s) with correct word
Which tectonic boundary is associated with compressional stress?
A) Convergent B) Divergent C) Transform D) Dip-slip