key4a - A CHEM 1211K Test IV MULTIPLE CHOICE. (3 points) 1)...

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CHEM 1211K Test IV MULTIPLE CHOICE. (3 points) 1) A sample of a gas (5.0 mol) at 1.0 atm is expanded at constant temperature from 10 L to 15 L. The final pressure is __________ atm. A) 3.3 B) 1.5 C) 15 D) 7.5 E) 0.67 2) The shape of a liquid's meniscus is determined by __________. A) the type of material the container is made of B) the viscosity of the liquid C) the relative magnitudes of cohesive forces in the liquid and adhesive forces between the liquid and its container D) the amount of hydrogen bonding in the liquid E) the volume of the liquid 3) The phase diagram of a substance is given above. This substance is a __________ at 25 o C and 1.0 atm. A) solid B) gas C) liquid D) crystal E) supercritical fluid 4) According to MO theory, overlap of two s atomic orbitals produces __________. A) two bonding molecular orbitals B) two bonding molecular orbitals and two antibonding molecular orbitals C) two bonding molecular orbitals and one antibonding molecular orbital D) one bonding molecular orbital and one antibonding molecular orbital E) one bonding molecular orbital and one hybrid orbital 5) Crystalline solids differ from amorphous solids in that crystalline solids have __________. A) atoms, molecules, or ions that are close together B) much larger atoms, molecules, or ions C) no orderly structure D) appreciable intermolecular attractive forces E) a long-range repeating pattern of atoms, molecules, or ions 6) Which one of the following exhibits dipole-dipole attraction between molecules? A) XeF 4 B) AsH 3 C) BCl 3 D) Cl 2 E) CO 2 A
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7) Hydrogen bonding is a special case of __________. A) dipole-dipole attractions B) ion-dipole attraction C) London-dispersion forces D) none of the above E) ion-ion interactions 8) A typical double bond __________. A) is stronger and shorter than a single bond
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This note was uploaded on 11/16/2011 for the course CHEM 1211k taught by Professor Wood during the Fall '07 term at Valdosta State University .

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key4a - A CHEM 1211K Test IV MULTIPLE CHOICE. (3 points) 1)...

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