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Physical changes that release heat typically include exothermic processes such as condensation, where gas transforms into liquid, and freezing, where liquid turns into solid. During these changes, energy is released into the surroundings, resulting in a noticeable increase in temperature of the surrounding environment. Additionally, chemical reactions like combustion also release heat, contributing to physical changes in states of matter.
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Which of the physical changes release heat?
Exothermic reactions release heat as they occur, such as combustion, oxidation, and some neutralization reactions. Other physical changes that release heat include processes like freezing, condensation, and deposition.
Physical and chemical changes can be either exothermic or endothermic changes?
The two terms are probably used most often to describe chemical reactions - whether or not they absorb or require heat (endothermic) or create release heat (exothermic). However, since the terms simply mean "absorbing heat", and "giving off heat", they can be used to describe any such event, physical, chemical or nulear. Ray
Fire is frequently defined as the rapid oxidation of combustible material accompanied by the release of what?
Fire is the rapid oxidation of combustible material accompanied by the release of heat, light, and various gases, such as carbon dioxide and water vapor.
Is heat changes h20 to steam a chemical change?
physical
Is lighting fireworks chemical or physical?
Lighting fireworks involves both chemical and physical changes. The combustion of the chemical compounds in the fireworks produces gases and heat, which is a chemical change. Simultaneously, the explosive reactions cause physical changes, such as the release of light and sound, and the transformation of solid materials into gases and particles. Thus, the process encompasses both types of changes.
Which of the physical changes release heat?
Exothermic reactions release heat as they occur, such as combustion, oxidation, and some neutralization reactions. Other physical changes that release heat include processes like freezing, condensation, and deposition.
What is exothermic definition?
A type of reaction or process accompanied by the release of heat.
Physical and chemical changes can be either exothermic or endothermic changes?
The two terms are probably used most often to describe chemical reactions - whether or not they absorb or require heat (endothermic) or create release heat (exothermic). However, since the terms simply mean "absorbing heat", and "giving off heat", they can be used to describe any such event, physical, chemical or nulear. Ray
Fire is frequently defined as the rapid oxidation of combustible material accompanied by the release of what?
Fire is the rapid oxidation of combustible material accompanied by the release of heat, light, and various gases, such as carbon dioxide and water vapor.
Is heat conductivity a physical change or chemical change?
The heat conductivity of a substance does not involve changes to its chemistry. Heat conductivity is a physical change and characteristic to a substance.
Heat causes physical changes in matter by changing?
Typically heat changes the STATE of matter from solid to liquid to gas.However, heat can also cause chemical changes for example combustion.
Is heat changes h20 to steam a chemical change?
physical
What physical changes are in a fire?
In a fire, physical changes include the conversion of solid material into gas and ash due to combustion, the production of heat and light energy, and the release of smoke and soot. Additionally, there may be visible changes in color, texture, and shape of the materials being burned.
What is a rapid expansion of matter accompanied by heat and light?
A rapid expansion of matter accompanied by heat and light is typically associated with an explosion. Explosions release a significant amount of energy in the form of heat and light as materials rapidly expand and react.
Is lighting fireworks chemical or physical?
Lighting fireworks involves both chemical and physical changes. The combustion of the chemical compounds in the fireworks produces gases and heat, which is a chemical change. Simultaneously, the explosive reactions cause physical changes, such as the release of light and sound, and the transformation of solid materials into gases and particles. Thus, the process encompasses both types of changes.
What changes only the physical state of water?
The addition or removal of heat energy.
What contrast endothermic and exothermic changes?
Exothermic: release of heat Endothermic: absorption of heat
