synthesis reactions
DESCRIPTION
Synthesis Reactions. Synthesis Reactions: At the conclusion of our time together, you should be able to:. Recognize a synthesis chemical reaction Balance this reaction type. When Your Back is Up Against It…. Simple Reactions. Synthesis (Combination). Decomposition. Single Replacement. - PowerPoint PPT PresentationTRANSCRIPT
Synthesis ReactionsSynthesis Reactions
Synthesis Reactions:Synthesis Reactions:At the conclusion of our time together, At the conclusion of our time together,
you should be able to:you should be able to:
1.1. Recognize a synthesis chemical reactionRecognize a synthesis chemical reaction2.2. Balance this reaction typeBalance this reaction type
When Your Back is Up Against It….
Decomposition
Simple Reactions
Synthesis(Combination)
SingleReplacement
DoubleReplacement
Decomposition
Synthesis
SingleReplacement
DoubleReplacement
A B A B+
A BA B +
A BA B +C+ C
A BAB +C+ CD D
Decomposition
Synthesis
SingleReplacement
DoubleReplacement
A B A B+
A BA B +
A BA B +C+ C
A BAB +C+ CD D
What Do You Call Four Bullfighters What Do You Call Four Bullfighters In Quicksand?In Quicksand?
Quatro CincoQuatro Cinco
Synthesis reactionsSynthesis reactions• Synthesis reactionsSynthesis reactions occur when occur when twotwo
substances (generallysubstances (generally elementselements) combine ) combine and form a and form a compoundcompound. (Sometimes these . (Sometimes these are called combination or addition reactions.)are called combination or addition reactions.)
reactant + reactant reactant + reactant 1 product 1 product• Basically: Basically: A + B A + B AB AB
• Example: Example: 2H2H2 2 + O+ O2 2 2H 2H22OO
• Example:Example: MgMg + O+ O2 2 MgOMgO
2 Mg + O2 Mg + O22 2 MgO 2 MgO
Synthesis ReactionsSynthesis Reactions• Here is another example of a synthesis Here is another example of a synthesis
reactionreaction
Synthesis ReactionSynthesis Reaction
• Predict the products and balance the Predict the products and balance the following reaction:following reaction:
Fe + S Fe + S FeSFeS
+2+2
Na + ClNa + Cl2 2
NaClNaCl
2 Na + Cl2 Na + Cl22 2 NaCl 2 NaCl
Joining CompoundsJoining Compounds
• 6, 6, 1, 66, 6, 1, 6
• One main purpose:One main purpose:
• To make a more complex compound!!To make a more complex compound!!
Septic Tank Humor
Synthesis Reactions:Synthesis Reactions:Let’s see if you can:Let’s see if you can:
1.1. Recognize a synthesis chemical reactionRecognize a synthesis chemical reaction2.2. Balance this reaction typeBalance this reaction type
All You Really Need To Know All You Really Need To Know You Can Learn From Noah's Ark You Can Learn From Noah's Ark
9.9. Speed isn't always an Speed isn't always an advantage; the snails were advantage; the snails were on board with the cheetahs. on board with the cheetahs.
10.10. When you're stressed, float When you're stressed, float awhile. awhile.
PracticePractice
• Predict the products. Write and balance the Predict the products. Write and balance the following synthesis reaction equations.following synthesis reaction equations.
• #7: Potassium metal reacts with fluorine #7: Potassium metal reacts with fluorine gas gas
KK(s) (s) + F+ F2(g) 2(g) • #3: Iron (III) reacts with iodine#3: Iron (III) reacts with iodine
FeFe(s) (s) + I+ I2(g) 2(g) • #6: Lead (IV) metal reacts with oxygen gas#6: Lead (IV) metal reacts with oxygen gas
PbPb(s) (s) + O+ O2(g) 2(g)
KF
FeI3
PbO
2
2, 1, 2
2, 3, 2
I don’t feel so stupid now…
Synthesis Reactions:Synthesis Reactions:Let’s see if you can:Let’s see if you can:
1.1. Recognize a synthesis chemical reactionRecognize a synthesis chemical reaction2.2. Balance this reaction typeBalance this reaction type
Entrance QuizEntrance Quiz
• State the type, predict the products and State the type, predict the products and balance the following reactions:balance the following reactions:
Cesium reacts with bromine gas Cesium reacts with bromine gas
SynthesisSynthesis
Cs + BrCs + Br2 2
CsBrCsBr
2 Cs + Br2 Cs + Br22 2 CsBr 2 CsBr