Chemical Reactions (aka Chemical Changes).

Chemical Reactions(aka Chemical Changes)

http://devour.com/video/beautiful-chemical-reactions/

Chemical Equations

AB2 + 2CD AD2 + 2CB

Reactants

2KI(aq) + Pb(NO3)2(aq)

Products

2K(NO3)(aq) + PbI2(s)

Reactants

KI(aq) + Pb(NO3) (aq)

Products

K(NO3)(aq) + PbI (s)

use subscripts to balance each chemical formula (Pb+2)use coefficients to balance the equation

Mg + 2HCl MgCl2 + H2

Mg + 2HCl MgCl2 + H2

Mini-Quiz #1

Version A2Mg + O2 2MgO1. List the reactants2. List the products3. state the reaction in words4. what is magnesium's coefficient?

Version B2NaCl 2Na + Cl21. List the reactants2. List the products3. state the reaction in words4. What is sodium's coefficient?

Synthesis reactionX + Y XY

Decomposition reactionXY X + Y

Single displacement reactionXY + A AY + X

Double displacement reactionXY + AB XB + AY

CombustionX + O2 CO2 +

H2O

Mini Quiz #2 Version A: categorize the following equations

Mini Quiz #2 Version B: categorize the following equations

2

1

2

1

Mini Quiz #2 Version A: balance the following equations

Mini Quiz #2 Version B: balance the following equations

1

2

2

1

___Mg(s) + ___O2(g) ____MgO(s)

Appearance: _________ ____________________

Observations: ___________________________________________

Lab

___CaCO3(s) ___CaO(s) + ____CO2(g)

Appearance: ___________________ __________

Observations: ___________________________________________

Lab

___Zn(s) + ___HCl(aq) ___ZnCl2(aq) + ____H2(g)

Appearance: _________ ____________________ __________Observations: ___________________________________________

Lab

___Pb(NO3)2(aq) + ___KI(aq) ___PbI2(s) + ____KNO3(aq)

Appearance: _________ _________________________________Observations: ___________________________________________

Lab

Diatomic Gases (never by themselves)

O2, I2, H2, Br2, N2, F2, Cl2

Oh I Had Better Not Fail Class

What's the name of:H2O2H20AlCl2AlCl3

FeCuSO4FeSO4CuMgCl2AgNO3Mg(NO3)2

Interpretation

What's the formula of:Barium chlorideSilver nitrateBarium nitrateSilver chlorideSodium

WaterSodium hydroxideHydrogenOxygenCarbon dioxide

Interpretation

Interpretation1. (front) ___Al + Cl2 ___ AlCl3Type:In words:

1. (back) Barium chloride reacts with silver (+1) nitrate to yield barium nitrate and silver chloride.

Equation:Type:

4. Water and carbon dioxide react to yield glucose (C6H12O6) and oxygen.

equation:

type: