Chemical Reactions and Thermodynamics Concepts

Chemical Reactions and Thermodynamics Concepts

Assessment

Interactive Video

Chemistry, Science

10th - 12th Grade

Hard

Created by

Mia Campbell

FREE Resource

This video introduces organic chemistry concepts, focusing on the role of smell in reactions. It explains thermodynamics and kinetics, covering enthalpy, entropy, and Gibbs free energy. The video discusses equilibrium constants and energy diagrams, highlighting activation energy's impact on reaction rates. Multi-step reactions and catalysis are explored, emphasizing intermediates and transition states. The episode concludes with a summary and a preview of future topics.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a major component of the lemony smell in lemons?

Citric acid

Ethanol

Alpha-terpineol

Limonene

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which term describes the change in heat of a reaction at constant pressure?

Entropy (ΔS)

Enthalpy (ΔH)

Equilibrium constant (K)

Gibbs free energy (ΔG)

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does a negative ΔG indicate about a chemical reaction?

The reaction is exothermic

The reaction is endothermic

The reaction is spontaneous

The reaction is nonspontaneous

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does a large equilibrium constant (K) signify about a reaction mixture?

Equal reactants and products

No reaction

Mostly reactants

Mostly products

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In an energy diagram, what does the peak of the hill represent?

Transition state

Reactants

Activation energy

Products

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the term for the energy required to start a chemical reaction?

Gibbs free energy

Entropy

Enthalpy

Activation energy

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of carbocation is more stable due to induction and hyperconjugation?

Primary

Secondary

Tertiary

Quaternary

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