Chem 101 Formula Sheet and calculation formulas PDF

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Chem 101 Formula Sheet and calculation formulas with periodic table and charts and formulas in a condensed page....

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CHEM 101 Formula & Data Sheet

Formulas 𝐸 = ℎ𝑣 =

%& '

c = 𝜆)𝑣

En = – RH

Z2

* 2+

∆En)= – RH Z2

n

, 2 – 2. n n 1

1

f

i

1 (bonding e- – antibonding e-) 2

FC = NVE – (unshared e- + ½ shared e-)

BO =

∆𝐻°123 )≈ Σ)BE(bonds broken) – Σ)BE (bonds formed)

q1q2 Electrostatic force = –k ( r2 )

(KE)avg =

3 RT 2

3RT M

Pi = xi PT

xi =

ni Pi = ntot Ptot

an2 (P + V2 )(V – nb) = nRT

PV = nRT V(sphere) =

urms =

4 3 pr 3

V(cube) = !3

BCC:

!=

4r 3

FCC:

!= 8r

Constants and Conversion Factors NA = 6.022 ´ 1023 mol-1 h = 6.626 ´ 10-34 J s c = 2.998 ´ 108 m s-1 RH = 2.179 ´ 10-18 J R = 0.08206 L atm mol-1 K-1 = 0.08314 L bar mol-1 K-1 = 8.314 J mol-1 K-1

1 atm = 760 mmHg = 760 torr = 101.3 kPa 0.0 °C = 273.15 K 1 cal = 4.184 J 1 eV = 1.602´ 10-19 J = 96.5 kJ mol-1 1 nm = 10-9 m 1 Å = 10–10 m 1 pm = 10-12 m

Thermodynamic Data Average Gaseous Bond Energies DH° (kJ/mol) 432

O-H

467

C= C

614

H-F

565

O-P

351

C= N

615

H-Cl

427

O-O

204

C= O

745

H-Br H-I

363

O-S O-F

265

(799 in CO 2)

O-Cl

190 203

N=N

418

H-H

Temp (°C) 0.0 5.0 10.0 12.0 14.0 16.0 18.0 20.0 22.0 24.0 26.0 28.0 30.0

Water Vapour Pressure Temp (mmHg) (° C) 4.6 6.5 9.2 10.5 12.0 13.6 15.5 17.5 19.8 22.4 25.2 28.3 31.8

H-C

295 413

H-S

368

O-Br

234

N=O

607

C-C

347

O-I

234

305 358

266 284

O=O (in O2)

498

S-S

P=O

460

C-S C-F

259

271

453

S-Cl S-Br

218

Cº C

839

C-Cl

339

F-F

159

Cº N

891

Visible Spectrum

C-Br

276

F-Cl

193

Cº O

107 0

C-I N-H

216

212

391

F-Br F-I

263

NºN

945

N-N

160

Cl-Cl

243

NºO

631

N-O

Cl-Br

N-F

201 272

Cl-I

215 208

Wavelength (nm) 400 450 490 570 580 600 650

N-Cl N-Br

200 243

Br-Br Br-I

193 175

N-I

159

I-I

151

C-N C-O

S-F

Periodic Table of Electronegativities

O

2.5

* Lanthanides: 1.1 – 1.3 ** Actinides: 1.3 – 1.5

40.0 45.0 50.0 55.0 60.0 65.0 70.0 75.0 80.0 85.0 90.0 95.0 100.0

Colour violet blue blue-green yellow-green yellow orange red

Pressure (mmHg) 55.3 71.9 92.5 118.0 149.4 187.5 233.7 289.1 355.1 433.6 525.8 633.9 760.0...