material chemistry

  phase - Correct Answers: a physically distinct and homogenous part of a system intermolecular forces - Correct Answers: the attractive and repulsive forces among the particles-molecules, atoms or ions in a sample of matter heat of vaporization - Correct Answers: the enthalpy change occurring when 1 mol of a liquid substance vaporizes heat of fusion - Correct Answers: the enthalpy change occurring when 1 mol of a solid melts heat of sublimation - Correct Answers: the enthalpy cha...

  sp, linear - Correct Answers: Which is the correct hybridization state and geometry for the carbon atom in HCN? sp, linear sp2, trigonal planar sp3, tetrahedral None of the above This structure has one positive charge and one negative charge. - Correct Answers: The following structure has been drawn without formal charges. Which statement describes the missing formal charge(s)? This structure has one positive charge and one negative charge. This structure has one positive charge bu...

  Functional group of alcohol - Correct Answers: hydroxyl Functional group of aldehyde - Correct Answers: carbonyl Functional group of amide - Correct Answers: carboxamide Functional group of amine - Correct Answers: amino Functional group of carboxylic acid - Correct Answers: carboxyl Functional group of ester - Correct Answers: ester Functional group of ether - Correct Answers: ether Functional group of halide - Correct Answers: halogen Functional group of ketone - C...

  formal charge - Correct Answers: group # - lone pairs (NBE) - bonds (1/2 valence electrons) valence electrons - Correct Answers: electrons in the outer most shell Atom - Correct Answers: Smallest particle of an element protons+neutrons surrounded by electrons octet rule - Correct Answers: States that atoms lose, gain or share electrons in order to acquire a full set of eight valence electrons Pauli Exclusion Principle - Correct Answers: An atomic orbital may describe at most ...

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  ketone - Correct Answers: aldehyde - Correct Answers: carboxylic acid - Correct Answers: ester - Correct Answers: amide - Correct Answers: anhydride - Correct Answers: amine - Correct Answers: ether - Correct Answers: constitutional isomers - Correct Answers: same formula, different connectivity stereoisomers - Correct Answers: same formula, different spatial arrangement enantiomers - Correct Answers: non-superimposable mirror images diast...

  What is the general formula for a carbohydrate? - Correct Answers: Cx(H2O)y How do you determine the number of stereoisomers for a given carbohydrate? - Correct Answers: 2^n where n= number of stereocenters Distinguish between the D and L designations for carbohydrates. - Correct Answers: In the L form the hydroxy group is on the bottom left closest to the CH2OH group in the frame of a Fischer projection In the D form the OH is on the bottom right What are anomers? - Correct Answe...