Chem: Identifying Patterns

Got it! Here's the KnowIt-friendly flashcard set in a simple, copy-paste format. Just copy everything below and paste it directly into KnowIt, and it will automatically generate the flashcards for you.

KnowIt Flashcards - Types of Chemical Reactions

Why is identifying a reaction type important?
It helps predict products and design reactions.

What is the identifying feature of a combination reaction?
A single product.

What is the general formula for a combination reaction?
A + B → C

Give an example of a combination reaction.
Zinc (Zn) and sulfur (S) combine to form zinc sulfide (ZnS).

Give another example of a combination reaction.
Hydrogen (H₂) and oxygen (O₂) combine to form water (H₂O).

What is the identifying feature of a decomposition reaction?
One reactant.

What is the general formula for a decomposition reaction?
C → A + B

Give an example of a decomposition reaction.
Hydrogen peroxide (H₂O₂) decomposes into water (H₂O) and oxygen (O₂).

Give another example of a decomposition reaction.
Barium carbonate (BaCO₃) decomposes into barium oxide (BaO) and carbon dioxide (CO₂).

What is the identifying feature of a combustion reaction?
Oxygen as a reactant.

What is another name for combustion?
Fire.

Give an example of a combustion reaction.
Iron (Fe) burns in oxygen (O₂) at high temperatures to form iron oxide (Fe₂O₃).

Give another example of a combustion reaction.
Hydrogen gas (H₂) combusts in oxygen (O₂) to produce water (H₂O).

What are the products of a hydrocarbon combustion reaction?
Carbon dioxide (CO₂) and water (H₂O).

Name two types of hydrocarbons.
CxHy (e.g., methane, propane, octane) and CxHyOz (e.g., formaldehyde, glucose).

Give an example of a hydrocarbon.
Methane (CH₄).

Give another example of a hydrocarbon.
Ethane (C₂H₆).

Write the combustion reaction of methane.
CH₄ + 2O₂ → CO₂ + 2H₂O

What is the identifying feature of a single replacement reaction?
An element reacting with an ionic compound.

What is the general formula for a single replacement reaction?
A + BC → B + AC

Give an example of a single replacement reaction.
Aluminum (Al) reacts with zinc chloride (ZnCl₂) to produce zinc (Zn) and aluminum chloride (AlCl₃).

Write the equation for aluminum reacting with zinc chloride.
2Al + 3ZnCl₂ → 3Zn + 2AlCl₃

What is another name for a double replacement reaction?
Precipitate reaction.

What is the identifying feature of a double replacement reaction?
Two aqueous ionic compounds as reactants.

What is the general formula for a double replacement reaction?
AB + CD → AD + CB

Give an example of a double replacement reaction.
Aqueous magnesium sulfate (MgSO₄) reacts with aqueous zinc fluoride (ZnF₂) to form magnesium fluoride (MgF₂) and zinc sulfate (ZnSO₄).

Write the equation for magnesium sulfate reacting with zinc fluoride.
MgSO₄ + ZnF₂ → MgF₂ + ZnSO₄

How to Use in KnowIt

1. Copy everything above.

2. Paste it into KnowIt.

3. Done! KnowIt will auto-format it into flashcards.

This version is clean and simple—just paste it in, no need to mess with CSV files or formatting. Let me know if you need any tweaks! 🚀