Combination (or synthesis) - two or more elements combine to form a compound. Na + O₂ → Na₂O La2O3 + H₂0 N2O5 + H₂O ● ● ● Decomposition - a compound breaks down into elements and/or simpler compounds. KNO3 → KNO2 + O₂ NaN3 Na+ N₂ NH4NO3 → N₂O + H₂O ● ● Combustion - a fuel reacts with oxygen to release carbon dioxide, water, and heat. CH4 + O₂ CO2 + H₂O C3H8+ O₂ CO₂ + H₂O C6H12O6 + O2 → CO₂ + H₂O ● ● ● Single replacement - an element replaces another element in a compound. KCI+F₂ KF + Cl₂ Mg + HCI → MgCl₂ + H₂ Cu + AgNO3 → Cu(NO3)2 + Ag . La(OH)3 HNO3 . . Double replacement - two compounds switch parts with one another. AgNO3 + K₂SO4 → Ag₂SO4 + KNO, Ma(OH)₂ + HCI → MaCh+ H₂O .

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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4. Practice: Chemical reactions are generally classified into five groups, defined below.
Balance each equation, using the Gizmo for help.
Combination (or synthesis) - two or more elements combine to form a compound.
Na + O₂ → Na₂O
La₂O3 + H₂O → La(OH)3
N₂O5 + H₂O HNO3
●
●
●
Decomposition - a compound breaks down into elements and/or simpler compounds.
KNO3 → KNO2 + O₂
NaN3 Na+ N₂
NH4NO3 → N₂O + H₂O
●
●
Combustion - a fuel reacts with oxygen to release carbon dioxide, water, and heat.
CH4 + O2
CO2 + H₂O
C3H8+ O₂
CO₂ + H₂O
C6H12O6 + O2 → CO₂ + H₂O
●
TE/
●
Single replacement - an element replaces another element in a compound.
KCI+ F2 KF + Cl₂
Mg + HCI→ MgCl₂ + H₂
Cu + AgNO3 → Cu(NO3)2 + Ag
.
●
Double replacement - two compounds switch parts with one another.
AgNO3 + K₂SO4 → Ag2SO4 + KNO3
Ma(OH)₂ + HCI → MaCl₂ + H₂O
DELL
Transcribed Image Text:4. Practice: Chemical reactions are generally classified into five groups, defined below. Balance each equation, using the Gizmo for help. Combination (or synthesis) - two or more elements combine to form a compound. Na + O₂ → Na₂O La₂O3 + H₂O → La(OH)3 N₂O5 + H₂O HNO3 ● ● ● Decomposition - a compound breaks down into elements and/or simpler compounds. KNO3 → KNO2 + O₂ NaN3 Na+ N₂ NH4NO3 → N₂O + H₂O ● ● Combustion - a fuel reacts with oxygen to release carbon dioxide, water, and heat. CH4 + O2 CO2 + H₂O C3H8+ O₂ CO₂ + H₂O C6H12O6 + O2 → CO₂ + H₂O ● TE/ ● Single replacement - an element replaces another element in a compound. KCI+ F2 KF + Cl₂ Mg + HCI→ MgCl₂ + H₂ Cu + AgNO3 → Cu(NO3)2 + Ag . ● Double replacement - two compounds switch parts with one another. AgNO3 + K₂SO4 → Ag2SO4 + KNO3 Ma(OH)₂ + HCI → MaCl₂ + H₂O DELL
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