100+ Exothermic phase changes PowerPoint (PPT) Presentations, Exothermic phase changes PPTs

Exothermic phase changes - PowerPoint PPT Presentation

Causes of Change

Causes of Change. Energy and Change. Changes and Energy. Both chemical and physical changes are accompanied by either an increase or decrease in energy . Energy is the ability to do work or produce heat . There are two major types of energy: kinetic and potential .

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818 views • 54 slides

Thermochemical Equations

Thermochemical Equations. Thermochemical equations are balanced chemical equations that include the physical states of all reactants and products and the energy change. 2H 2 O(l) ? 2H 2 (g) + O 2 (g) ?H = 572 kJ CH 4 (g) + 2O 2 (g) ? CO 2 (g) + 2H 2 O(g) ?H = -802 kJ. Phase Changes.

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854 views • 22 slides

Phase Changes

Phase Changes. Matter changes state by the addition or removal of energy in the form of heat. Two forms of heat. Sensible Heat. Heat added to or released from a single phase Increases or decreases speed (kinetic energy) of particles

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220 views • 12 slides

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'Exothermic phase changes' diaporamas de présentation

Exothermic phase changes - PowerPoint PPT Presentation

Causes of Change

Thermochemical Equations

Phase Changes