LSU Chem 1201 Final Study Guide

Pico

10^-12

nano

10^-9

micro

10^-6

milli

10^-3

centi

10^-2

deci

10^-1

Deca

10^1

Hector

10^2

Kilo

10^3

Mega

10^6

Giga

10^9

Tera

10^12

What is the formula for density?

Mass/Volume

Metal + Nonmetal (NaCl)

Ionic Compound

Nonmetal + Nonmetal (SO2)

Molecular compound

Polyatomic Ion + Metal (Pb(ClO3)2)

Ionic Compound

Polyatomic Ion + Nonmetal (Hg2Br2)

Ionic Compound

Polyatomic Ion + Polyatomic Ion (NH4)3PO4

Ionic Compound

ClO -

hypochlorite

ClO2 -

chlorite

ClO 3-

Chlorate

ClO 4-

perchlorate

SO3 2-

sulfite

SO4 2-

sulfate

CO3 2-

carbonate

PO4 3-

phosphate

NO2 -

nitrite

NO3 -

nitrate

OH -

hydroxide

H -

hydride

NH4 +

ammonium

Hg2 2+

mercury

What is the formula for a combustion reaction?

Fuel + O2 --> CO2 + H2O

Example:

C3H8 + 5O2 --> 3CO2 + 4H2O

What is the formula for an acid-base neutralization?

Acid + Base --> H2O + Salt

Example:

Sr(OH)2 + 2HCL -> 2H2O + SrCl2

What compounds make Strong Electrolytes?

Ionic Compounds, strong acids and bases

What compounds make Weak Electrolytes?

weak acids and bases

What compounds make non Electrolytes

molecular compounds

Name the 7 strong acids

HCl - Hydrochloric acid

HBr - Hydrobromic acid

HI - Hydroiodic acid

HNO3 - nitric acid

HClO4 - perchloric acid

HClO3 - chloric acid

H2SO4 - sulfuric acid

Name the 8 strong bases

LiOH - lithium hydroxide

NaOH - sodium hydroxide

KOH - potassium hydroxide

RbOH - rubidium hydroxide

CsOH - cesium hydroxide

Ca(OH)2 - calcium hydroxide

Sr(OH)2 - strontium hydroxide

Ba(OH)2 - barium hydroxide

What is the formula for molarity

moles/liters

Dilute 2.0 L of a 1.0M HCl solution to 0.5M. What is the volume?

Use the formula M1V1 = M2V2

(2.0L)(1.0M HCl) = V2(0.5M HCL)

V2 = 4.0L

What is the equation for wavelength of matter?

𝜆 = ℎ/(mass*velocity)

Name the 3 photon energy equations

𝒄 = 𝝀*frequency

𝑬 = 𝒉𝝂 or 𝑬 = 𝒉𝒄/𝝀

𝑬 = −𝑹𝑯/n^2

Name the equation for the change in energy between n levels

∆𝑬 = −𝑹𝑯/n(final)^2 - −𝑹𝑯/n(initial)^2

Name the equation for the density of a gas

d = MP/RT

Name the equation for the RMS of a gas

u = sqrt(3RT/M) M MUST BE IN KILOGRAMS

R = 8.314

Name the equation for wavelength after energy change

1/𝝀 = −𝑹𝑯/𝒉c * (1/n(upper)^2 - 1/n(lower)^2)