Chapter 11: Chemical Reactions

Vocabulary

100

(s), (l), (g), (aq)

What are the symbols that show an elements state of matter in the reaction.

Solid (s), Liquid (l), Gas (g), Aqueous Solution (aq)

200

A substance that speeds up a reaction buts not used up by the reaction. 

its chemical formula is written above the yields arrow.

What is a Catalyst?

300

Compounds / Elements to the left of the yields arrow

Compounds / Elements to the right of the yields arrow  

What are Reactants?

What are Products?

400

Large number written before a compound or element that determines the number of molecules present.

Can be changed to write a balanced equation.

What are Coefficients?

500

Small numbers written next to an element, determines how many atoms are in a single molecule of the substance.

Can not be changed.

What are Subscripts?

Vocabulary pt 2

100

Chemical Equation that shows all the Aquesous spectator ions in the solution as well as all the solid liquid and gases formed by the reactions.

What is a Complete Ionic Equation?

200

Chemical Equation that only shows the ions directly involved in the chemical reaction.

What is a Net Ionic Equation?

300

Use the activity series Table 11.2 to put metals in order of increasing reactivity:

 Mg , Ag,  Li, Ca, Zn

Li, Ca , Mg , Zn , Ag

400

Use the solubility rules from table 11.3 to classify the following compounds as soluble or Insoluble.

Chlorides, Hydroxides, Alkali Metals, Lead

soluble: Chlorides, Alkali Metals

Insoluble: Hydroxides, Lead

500

Write the chemical equation for: 

Aqueous Hydrochloric acid reacts with Aqueous Sodium hydroxide to form Aqueous Sodium chloride and water

HCl_(aq) + NaOH_(aq) ---> NaCl_(aq) + H₂O_(l)

Types of Reactions

100

A Chemical Change in which 2 or more reactants for a single new product

A + B ----> AB

What is a Combination or Synthesis Reaction?

200

When a single product is broken down into 2 or more simpler products. 

AB -----> A. +  B

What is a Decomposition Reaction?

300

A + BC -----> B  +. AC

What is a Single Replacement Reaction?

400

AB + CD -----> AD + CB

What is a Double Replacement Reaction

500

C_xH_y + O₂ --> CO_2. + H₂O

What is a Combustion Reaction?

Balancing Chemical Equations

100

__N₂O₃ + __H₂O --> __HNO₂

1 N₂O₃ + 1 H₂O --> 2 HNO₂

200

__CaCl₂ + __H₂SO₄ -> __CaSO₄ + __HCl

1 CaCl₂ + 1 H₂SO₄ -> 1 CaSO₄ + 2 HCl

300

__H_{2 (g)} + __O_{2 (g)} --> __H₂O _(l) + __H₂O_{2 (1)}

3 H_{2 (g)} + 2 O_{2 (g)} --> 2 H₂O _(l) + 1 H₂O_{2 (1)}

400

__Pb(NO₃)₂ + __NaI -> __PbI₂ + __NaNO₃

1 Pb(NO₃)₂ + 2 NaI -> 1 PbI₂ + 2 NaNO₃ 

500

__C₂H₂ + __O₂ ---> __CO₂ + __H₂O

2 C₂H₂ + 5 O₂ ---> 4 CO₂ +  2 H₂O

Finish the Equations

100

Write the products of the Single Replacement RXN:

Zn_(s) + H₂SO_{4 (aq)}  ---->

Zn_(s) + H₂SO_{4 (aq)}  ----> ZnSO_4 (aq) + H_{2 (g)}

200

Finish the Double Displacement RXN:

FeS_(s) + 2 HCl_(aq) --->

FeS_(s) + 2 HCl_(aq) ---> H₂S_(g) + FeCl_{2 (aq)}

300

Find the product and Balance the equation of the combustion reaction: 

__C₂H_{2 (g)} + __O_{2 (g)} --> __ ____ + __ ____

2 C₂H_{2 (g)} + 5 O_{2 (g)} --> 4 CO_2 (g) + 2 H₂O_(g)

400

HCl_(aq) + Ba(OH)_2 (aq) --->

2 HCl_(aq) + Ba(OH)_2 (aq) ---> 2 H₂O_(l)  + BaCl_{2 (aq)}

500

__Ca(NO₃)_2(aq) + __Na₂CO_3(aq) --> __ ___ +  __ ___

Solid Precipitant:_______________

Spectator Ions:________________

1 Ca(NO₃)_{2 (aq)} + 2 Na₂CO_3(aq) --> 2 Na₂NO_{3 (aq)} + Ca(CO₃)_{2 (s)}

Solid Precipitant: Ca(CO₃)₂

Spectator Ions: Na₂NO₃