Chem test 2

always soluble

Group 1 solubility

Always soluble

Ammonium solubility (NH4)

Always soluble

Nitrate NO3 solubility

Ag, Pb, Hg

What is Cl- NOT soluble with

Ba, Pb, Ca

What is sulfate NOT soluble with (so4)

Na, K, Ba

What is hydroxide SOLUBLE with? (only these)

Na, K, NH4

What is carbonate SOLUBLE with? (only these)

Na, K, NH4

What is phosphate SOLUBLE with? (only these)

Na, K, NH4

What is sulfide SOLUBLE with? (only these)

0

Free element oxidation state

-1

F oxidation state

+1

Group 1 oxidation state

+2

Group 2 oxidation state

+1

H oxidation state

-2

O oxidation state

heat + work

Change in internal energy (∆E) equals

-q

Absorbs heat q value

Endothermic

Absorbs heat type of reaction

E increases

Absorbs heat change in E

+q

Releases heat q value

exothermic

Releases heat type of reaction

E decreases

Releases heat change in E

+w

Work done on system w value

Compression

Work done on system type of reaction

E increases

Work done on system change in E

-w

system does work on surroundings w value

expansion

system does work on surroundings type of reaction

E decreases

system does work on surroundings change in E

H < 0

Exothermic H value

H > 0

Endothermic H value

endothermic

Breaking bonds is what type of reaction

exothermic

forming bonds is what type of reaction

∆H = ∆E + ∆PV

enthalpy formula

W = -P∆V

work formula

NH4+

ammonium

CO3 2-

carbonate

ClO3-

Chlorate

ClO2-

Chlorite

CrO4 2-

Chromate

NO3-

Nitrate

NO2-

Nitrite

SO4 2-

Sulfate

SO3 2-

Sulfite