Chem Cheat Sheet

P1 x V1 = P2 x V2 Ð'...Ð'...Ð'...Ð'....BOYLE'S LAW

V1/T1 = V2/T2Ð'...Ð'...Ð'...Ð'...Ð'...Ð'...CHARLE'S LAW

P1/T1 = P2/T2Ð'...Ð'...Ð'...Ð'...Ð'...Ð'.....GAY-LUSSAC'S LAW

(P1 x V1)/ T1 = (P2 x V2)/ V2Ð'...Ð'...Ð'...COMBINED GAS LAW

PV = nRTÐ'...Ð'...Ð'...Ð'...Ð'...IDEAL GAS LAWÐ'...Ð'...Ð'...Ð'....R = 8.31 (L x kpa)/(K x mol)

P total = P1 + P2 + P3 +Ð'.... Ð'- LAW OF PARTIAL PRESSURE

S1/P1 = S2/P2Ð'...Ð'...Ð'...Ð'...Ð'...Ð'...HENRY'S LAW

M1 x V2 = M2 x V2 = Moles of soluteÐ'...Ð'...Ð'...Ð'....When diluting a solution

(moles of solute)/ (moles of solute + moles of solvent)Ð'...Ð'...Ð'...Ð'...Ð'...Ð'...Ð'...Ð'.....Mole Fraction

(moles of solvent)/ (moles of solute + moles of solvent)

T = 1.86 (C/m) x mÐ'...Ð'...Ð'...Ð'...freezing point water

T = .512 (C/m) x mÐ'...Ð'...Ð'...Ð'...boiling point elevation

DeltaH = -mass x specific heat (4.18 J/C) x deltaT

Only for water

Key difference between voltaic and electrolytic cells is that in a voltaic cell, the

flow of electrons is the result of a spontaneous redox reaction, whereas

in an electrolytic cell, electrons are pushed by an outside power source, such as a battery.

C= q/ (mass x deltaT) = heat (joules or calories)/ (mass x change in temp)

Trends:

-atomic radius increases from top to bottom, decreases from left to right

-shielding