Term
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Definition
q=CΔT
(q/ΔT= J/K or cal/°C) |
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Term
| specific heat capacity eqn |
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Definition
q= mcΔT
[q/ΔTm =usu. J/kg(K) or cal/g(ºC)]
[m=mass] |
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Term
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Definition
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Term
| bomb calorimeter. __ is constant |
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Definition
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Term
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Definition
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Term
| Boiling pt. elevation d/t additn of nonvolatile solt. eqn. |
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Definition
ΔT = kbmi
[m=molality
i=# particles after substance dissociates
kb= constant for substance being boiled (e.g. H2O)] |
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Term
| Freezing pt. depressn eqn. |
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Definition
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Term
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Definition
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Term
| colligative properties (4) |
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Definition
vapor press, b.p., f.p., osmotic press.
[depend only on # of particles not what type] |
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Term
| Arrhenius acid vs. base def. |
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Definition
| acid makes H+ in aqueous soln; base makes OH- |
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Term
| Bronsted-Lowry acid vs. base |
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Definition
| acid donates p+; base accepts |
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Term
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Definition
| acid accepts pair of e-; base donates |
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
| HI, HBr, HCl, HNO3, HClO4, HClO3, H2SO4 |
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Term
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Definition
| NaOH, KOH, NH2-, H-, Ca(OH)2, Na2O, CaO |
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Term
| strong acid has __ ka & ___ pka |
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Definition
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Term
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Definition
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Term
| Acid dissociation gen'rl eqn |
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Definition
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Term
| base dissociatn gen'rl eqn |
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
| weak acid & its conjugate base |
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Term
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Definition
Atoms in elemental form...0
F...-1
H (nt: -1 when bonded to metal)....+1
O (nt: xcept when H2O2)....-2 |
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Term
| Std. H+ electrode. Electric potential =? |
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Definition
| 2H+ +2e- --> H2 E°= 0.00 V |
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Term
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Definition
ΔG = -nFEmax
[positive cell pot., neg. ΔG (spontaneous)] |
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Term
| non-std. state cell pot. & ΔG eqn |
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Definition
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Term
| non-std. state cell pot. & ΔG° @ equilibrium |
|
Definition
ΔG° = -RT ln(K)
[K & ΔG° vary w/ Temp.] |
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Term
| K & ΔG° & E° relationships |
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Definition
K=1; ΔG°=0
K>1; ΔG°<0; E°>0
K<1; ΔG°>0; E°<0 |
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Term
| At which electrode does oxidatn or reductn occur? |
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Definition
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Term
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Definition
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Term
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Definition
| # particles/g that dissociates |
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Term
| soluble ionic compounds contain |
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Definition
| NO3-, NH4+, alkali metals (Li+, Na+, K+...), halogens (Cl-, Br-, I-) except Ag+, Hg22+, Pb2+ |
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Term
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Definition
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Term
| equivalence point d/r titration is where... |
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Definition
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Term
| half equivalence point is where... |
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Definition
| 1/2 of acid has been neutralized by base |
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Term
| pka given. Find pkb. Eqn=? |
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Definition
| pka + pkb = 14 (pkb is conj. base) |
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Term
| calculate oxidatn state of sulfur in H2SO4 |
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Definition
| (+1)(2) + (-2)(4) = 0; S= -6 |
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Term
| log (2.5 X10-2) vs. log (1X10-2). Which is smaller # (disregard sign)? |
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Definition
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Term
| strong acid - str. base titration equivalence pt. pH=? Xcept__ |
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Definition
| 7; except for diprotic acid whose conj. base is a str. acid |
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Term
| Reduction potential Eº. Larger # means wants to be ___ & is better ___ agent. |
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Definition
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Term
| At equilibrium, what is 0? ΔG, ΔGº, K... |
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Definition
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