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Chemistry 1020- Exam 2 Questions and answers latest update 2024
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Chemistry 1020- Exam 2 Questions and answers latest update 2024
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Chemistry 1020- Exam 2Alkane - correct answer C-C
Alkene - correct answer C=C
Alkyne - correct answer C(triple bond)C
Aromatic (benzene) - correct answer hexagon with 3 double bonds
Alcohol - correct answer R-OH
Amine - correct answer R-NH2
Ether - correct answer R-O-R
Carboxylic Acid - correct answer O
ll
R-C-OH
Strong IMF - correct answer high boiling point, low vapor pressure
Long molecule chain (molecular weight) - correct answer high boiling point, low vapor pressure
branching - correct answer decreases boiling point, increases vapor pressure
non polar organic molecules - correct answer alkane, alkene, alkyne, aromatic
, polar organic molecules - correct answer alcohol, amine, ether, carboxylic acid
longer carbon chain (solubility) - correct answer less soluble
reaction rate - correct answer aA+bB --> cC+ dD
rate= -1/a(Δ[A]/Δt)= -1/b(Δ[B]/Δt)=1/c(Δ[C]/Δt)
=1/d(Δ[D]/Δt)
zero order - correct answer graph: [A] vs time
negative slope
first order - correct answer graph: ln[A] vs time
negative slope
second order - correct answer graph: 1/[A] vs time
positive slope
first order half life - correct answer each successive half life is an equal period of time
second order half life - correct answer each successive half life is twice as long as the preceding one
exothermic reaction - correct answer faster than endothermic
ΔH<0
Reverse reaction is endothermic (slower than forward)
endothermic reaction - correct answer slower than exothermic
ΔH>0
reverse reaction is exothermic (faster than forward)
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