Chem 131 - Study guides, Class notes & Summaries

Chem 1311 Final Exam Detailed Questions and Expert Answers

chemical property correct answer: the way substances may change/react to become another substance physical property correct answer: can be observed without any change to identification and/or composition matter correct answer: anything that has mass and occupies space reactivity, stability, flammability, toxicity, fermentation correct answer: examples of chemical properties malleability, ductility, conductivity, viscosity, boiling/melting point correct answer: examples of physic...

Chem 1311 Exam 1 Questions With Complete Solutions

This is a comprehensive and well outlined note for Chem 1312, with emphasis on chapter 19 ; Chemical kinetics

A __________ ΔH corresponds to an __________ process. -zero, endothermic -positive, exothermic -negative, endothermic -zero, exothermic -positive, endothermic correct answerspositive, endothermic Which one of the following is NOT considered a fossil fuel? -natural gas -hydrogen -anthracite coal -petroleum -crude oil correct answershydrogen Which one of the following statements is FALSE? -The enthalpy change for a reaction is equal in magnitude, but opposite in si...

Of the following only,_________ is an extensive property. -Temperature -Boiling point -Freezing point -Density -Volume correct answersVolume In the following list, only __________ is not an example of a chemical reaction. -the production of hydrogen gas from water -chopping a log into sawdust -the tarnishing of a copper penny -burning a plastic water bottle -charging a cellular phone correct answerschopping a log into sawdust In which of the following numbers are AL...

This detailed and comprehensive note contains all you need to know in preparation for exam 2 in chem 1315. Quality stuff!! To your success!!

This document contains all you need to know I. Preparation for exam 3 in this course. Quality stuff!! To your success!!

CHEM 1311 4a Exam Questions with Correct Answers What is the hybridization of the nitrogen atom NH3? a. sp b. sp2 c. sp3 d. sp3d e. sp3d2 - Answer-c. sp3 The valence shell is a. the highest energy level occupied by electrons b. the set of orbitals used to make triple bonds c. the orbitals belonging to the entire molecule d. the lowest energy level occupied by electrons e. the hard covering on crustaceans - Answer-a. the highest energy level occupied by electrons What is t...