Chem 1

% Error

100

Experimental = 2g

Theoretical = 3g

33%

200

Experimental = 1g

Theoretical = 1.2g

17%

300

Experimental = 0.1g

Theoretical = 0.11g

9%

400

Experimental = 100g

Theoretical = 85g

17.6%

500

Experimental = 43g

Theoretical = 42g

2.4%

Reaction Types

100

A + BC  ----->  AC + B

Single Replacement

200

KClO3 -----> KCL +  O₂

Decomposition

300

2Mg + O₂ ----> 2MgO

Synthesis

400

AB + CD ----> AD + CB

Double Replacement

500

CH₂O + O₂ ----> CO₂ + H₂O

Combustion

Ions

100

Sodium cation

Na⁺¹

200

Chloride anion

Cl^-1

300

Magnesium cation

Mg⁺²

400

NO₃^-1

nitrate

500

SO₄^-2

Sulfate

Stoich

100

A + 2B ----> C

2 moles A   ? moles B

4

200

1 mole of any gas occupies what volume at STP

22.4

300

Molar Mass of CO

28 g/mol

400

2H₂ + O₂ -----> 2H₂O

10 g of H₂ reacts with ____ moles of O₂

2.5 moles

500

2H₂ + O₂ -----> 2H₂O

1 mole O₂ gives you ___ g of water

36 g

Ionic Bond

100

Metal cation and  _____ anion

Nonmetal

200

Potassium fluoride formula

KF

300

Calcium oxide formula

CaO

400

Name :  K₂S 

Potassium sulfide

500

Simplest unit of a lattice

Unit cell