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- Learn at Your Pace: You can pause and rewatch lessons as often as you'd like, until you master the material.
- Study the different ways energy can be transferred in physical and chemical processes.
- Learn to calculate enthalpy changes for reactions using Hess's Law.
- Find out how to use temperature measurements and heat capacities to calculate heat transfer.
- Determine how to predict the spontaneity of a reaction.
- Explain the relationship between enthalpy, free energy and entropy.
- Describe free energy and cell potential energy relationships.
1. State Functions in Thermochemistry
This lesson defines state functions and explains why state functions are so useful in thermochemistry and thermodynamics. You'll also see a few examples of common state functions.
2. Enthalpy: Energy Transfer in Physical and Chemical Processes
This video explores the relationship between chemistry and energy. We learn the general properties of energy and the concepts of temperature and heat. We will learn about energy flow and consider the enthalpy change during chemical reactions.
3. Using Hess's Law to Calculate the Change in Enthalpy of a Reaction
Want to make sure you don't blow yourself up during a chemical reaction? This lesson will help you avoid this by teaching you Hess's Law. This is one way to calculate the heat transferred, or enthalpy change, of a chemical reaction.
4. Calorimetry: Measuring Heat Transfer and Heat Capacity
This video lesson explains the technique of calorimetry used to measure heat transfer in chemical reactions. You will see how different materials have different specific heat capacities. You will learn how to carry out heat calculations using a simple equation.
5. Predicting the Entropy of Physical and Chemical Changes
Ever wonder why your bedroom always ends up a mess within hours of you tidying up? That is the magic of entropy. In this lesson, you'll learn why disorder is the natural state of matter and how we can predict entropy change in a physical or chemical reaction.
6. Free Energy: Predicting the Spontaneity of a Reaction
Ever heard the phrase 'pushing Jell-O uphill on a hot day'? This describes a hopeless task. In this lesson, we will predict hopeful and hopeless reactions. Or put scientifically, predicting spontaneous (hopeful) and non-spontaneous (hopeless) reactions.
7. The Relationship Between Enthalpy (H), Free Energy (G) and Entropy (S)
In this video lesson, we'll study free energy (G) and its relationship to enthalpy, entropy and temperature. You'll also learn why free energy (G) is the single most useful criterion for predicting the spontaneity and direction of a chemical reaction.
8. Electrochemistry: Free Energy and Cell Potential Energy
Our modern lives are totally dependent on electricity. In this lesson, we learn about electricity spontaneously produced by electrochemical cells or batteries. We make the link between the potential energy they produce and Gibbs free energy.
9. Spontaneous Process: Definition & Examples
This lesson defines and gives examples of spontaneous processes, explains entropy, and discusses what the second law of thermodynamics says about spontaneous processes.
10. What is the Cost of Nuclear Energy?
Although there are many benefits to the production of nuclear energy, this nonrenewable energy source remains controversial. In this lesson, we will examine the financial and environmental costs of nuclear energy production.
11. What is Thermal Pollution?
Pollution is one of the greatest threats against our environment. We often overlook the fact that pollution isn't simply smoke and industrial waste. In this lesson, we'll take a look at a lesser-known type of pollution: thermal pollution.
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Other chapters within the College Chemistry: Tutoring Solution course
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- The Periodic Table: Tutoring Solution
- Nuclear Chemistry & Radioactive Decay: Tutoring Solution
- Chemical Bonding: Tutoring Solution
- Liquids and Solids: Tutoring Solution
- Gases: Tutoring Solution
- Solutions: Tutoring Solution
- Stoichiometry: Tutoring Solution
- Chemical Reactions: Tutoring Solution
- Equilibrium in Chemistry: Tutoring Solution
- Kinetics: Tutoring Solution