Endothermic processes - PowerPoint PPT Presentation

Thermochemistry

Chemistry Ms. Piela. Thermochemistry. Heat transfers in chemical reactions Energy Definition: The capacity to do work or supply heat Basic Types: Mechanical, Electrical, Potential, Kinetic. Thermochemistry –. Energy that is stored within chemical bonds

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Topic: Reaction Spontaneity

Do Now:. Topic: Reaction Spontaneity. Spontaneous Processes. =physical or chemical change that occurs with no outside intervention However, some energy may be supplied to get process started = activation energy. Iron rusting 4Fe(s) + 3O 2 (g)  2Fe 2 O 3 (s)  H = -1625 kJ.

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389 views • 14 slides

What is the difference between energy, heat and temperature?

What is the difference between energy, heat and temperature? What is the difference between exothermic and endothermic processes? If you have an ice cube in a glass of water, label the system, surroundings and indicate the type of process (exothermic or endothermic.).

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521 views • 4 slides

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