Chem 232 Exam 1 Questions and Answers 100% PASS

Chem 232 Exam 1 Questions and
Answers 100% PASS

formal charge equation - CORRECT ANSWER-valence - lone pair - 1/2 bonding

the bond order for resonance structures is - CORRECT ANSWER-1.5

the bond order for a single bond is - CORRECT ANSWER-1

the bond order for a double bond is - CORRECT ANSWER-2

CO2 is polar or nonpolar? - CORRECT ANSWER-non polar

COH is polar or nonpolar? - CORRECT ANSWER-polar

CH4 is polar or nonpolar? - CORRECT ANSWER-nonpolar

london forces depend on what? - CORRECT ANSWER-molecular weight of the

molecule

the higher the molecular weight, the higher the.. - CORRECT ANSWER-london

forces

unsaturated solutions involve more of what? - CORRECT ANSWER-solute

saturated solutions cannot dissolve more of what? - CORRECT ANSWER-solute

, electrolyte - CORRECT ANSWER-substance that releases ions in solution when

dissolved in water

nonelectrolyte - CORRECT ANSWER-substance that does not release ions in

solution when dissolved in water

SF6 is polar or nonpolar? - CORRECT ANSWER-nonpolar

H2O is polar or nonpolar? - CORRECT ANSWER-polar

mass fraction formula - CORRECT ANSWER-mass of solute/mass of solute +

mass of solvent

weight percent formula - CORRECT ANSWER-mass solute/mass solution x 100

kinetic energy (Ek) formula - CORRECT ANSWER-1/2m(v^2)

potential energy (Ep) formula - CORRECT ANSWER-mgh (mass x gravity x

height)

1 joule equals - CORRECT ANSWER-1 kg m^2/s^2

I cal equals - CORRECT ANSWER-4.184 joules

calculating heat formula - CORRECT ANSWER-q=(m)(c)(Tf-Ti)

if the substance gains thermal energy and q is positive, then the reaction is... -

CORRECT ANSWER-endothermic




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