CH 5A, 5B, 5C (Big Quiz)

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18 Terms

1
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What is a combination reaction?

A+B → AB

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What is a Decomposition Reaction?

AB → A+B

3
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What is a Single Displacement?

A+BC → B+AC

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What is Double Displacement?

AB + CD → AD+CB

5
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What is Combustion Reaction?

Fuel + O2 → CO2 + H2O

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What is Oxidation?

OIL (Oxidation is Loss) → Loss (of e- or H) or gain of O

  • Is a Reducing Agent

  • Lose Electrons (OIL)

  • Lose Hydrogen

  • Gains Oxygen


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What is Reduction?

RIG (Reduction is Gain) → Gain (of e- or H) or loss of O

  • Gain Hydrogens

  • Lose Oxygens

  • Is an Oxidizing agent

  • Gains electrons (RIG)


8
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Give an example of a Reduction and Oxidation.

C2H6O + NAD → C2H4O + NADH

Reduction Gaining an (e- of H) or Loss of O.

NAD would be our Reducing Oxidizing Agent. (The product gained an H)


Oxidation Loss of (e- of H) or GAIN of O

C2H6O would be our Oxidized Reducing Agent. (The product loss a electron of H)

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What is Exothermic Reactions?

Means Heat is Exiting.

Gives off, Releases, and Loses Energy → FEELS HOT

What does the chart look like?

<p>Means Heat is Exiting. </p><p>Gives off, Releases, and Loses Energy → FEELS HOT</p><p>What does the chart look like?</p>
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<p>What is an Endothermic Reaction?</p>

What is an Endothermic Reaction?

Heat is entering.
Takes in, Absorbs, Gains Energy. Feels Cold.

What does the chart look like?

11
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What is being changed by a Catalyst?

  • Rate of Reaction

  • Activation of Energy


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What is NOT changed by a Catalyst?

  • Energy of Reactants

  • Energy of Products


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What is Activation Energy? (Ea)

The difference in energy between the reactants and the transition state.

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What is Transition State?

Effective Collision.

15
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What is a Catalyst?

A substance that speeds up rate of reaction.

It is recovered unchanged during a reaction and it doesn’t appear in the product. Usually lowers activation energy that is required.

16
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What is a Reaction Rate?

The speed of reaction, measured as the change in concentration of a reactant or product over the change in time.

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How does having Low Temp and High Temp affect reaction rate?

Low Temp → Slower to react, less e- for effective collision

High Temp → Fast to react,

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How does having Less Ox and High Ox affect the reaction rate?

Less Oxygen → Slower to react (Less Collisions)

High Oxygen → Faster to react (More collisions)