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Frying eggs on a skillet (the heat alters the protein in the egg white)

Burning wood, coal, methane gas, oil

Degradation of fats by heating

Degradation of fruits, vegetables, wines by fermentation

Combustion of automotive fuels

Formation of nitrogen and sulfur oxides

Formation of ozone

Rusting of iron

Washing with detergents

Preparation of many foods

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14y ago
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5mo ago
  1. Cooking food: When food is cooked, chemical reactions occur that change the composition of the food, making it more easily digestible and altering its taste and texture.

  2. Rusting of iron: When iron is exposed to oxygen in the air and moisture, a chemical reaction occurs that forms rust, changing the iron into a new substance with different properties.

  3. Digestion: In the human body, food undergoes chemical changes in the digestive system, where enzymes break down complex molecules into simpler ones that can be absorbed and used by the body for energy and growth.

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13y ago

1.shotguns

2.see a fly be shotguned

3.a monkey shotgun noob

4.cake bombs

5.wild deer having sex

6.yourself

7.a numty eating

8.a poo

9.a death machine

10.a homasexul weirdo

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15y ago

One example of a chemical change that happens every day is a phase change in which matter goes from one state into another. The most common example is the melting of ice in which water goes from a solid to a liquid. The boiling of water changes the liquid to a vapor. Another example of a common chemical change is the redox reaction, in which electrons are transferred from one atom or molecule to another, usually with a large release of energy. Human metabolism is a redox reaction in which reduced carbon compounds (sugar) are oxidized into carbon dioxide and water with the release of heat and energy. A third example of a chemical change is dissolution or solvation in which a solid dissolves into a liquid (the solvent). Sugar or salt dissolved into water is a common example of solvation.

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16y ago

Combustion (burning), acid-base reactions (such as vinegar-baking soda), and photosynthesis (plants).

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14y ago

cellular respiration, anything burning nuclear plants, and batteries

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10y ago

Some of the everyday chemical reactions that we use daily include bleaching, baking and the cooking of eggs.

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Q: What are three chemical changes that happen every day?
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What are three things that are often indications of chemical changes?

Chemical changes can be identified by 1. Color change 2. Fizzing 3. Temperature changes 4. Odor changes 5. Change in the state of matter (solid, liquid, gas)


What are some chemical changes when cooking?

Some chemical changes when you are cooking are:burning the foodOVERcooking itUNDERcooking itsorry for only three examples. those are the ones that i can only think of so far.


What are the two classifications for the changes that matter undergoes?

The two classifications for changes that matter undergoes are physical changes and chemical changes. Physical changes involve a change in appearance or state without altering the chemical composition of the substance, while chemical changes result in a new substance being formed with different chemical properties.


What are the different changes in matter?

The different changes in matter are physical changes, such as melting or boiling, which do not alter the chemical composition of the substance; chemical changes, like combustion or rusting, which result in the formation of new substances; and nuclear changes, such as radioactive decay, which involve changes in the nucleus of atoms.


What are three differences between physical and chemical changes?

Physical changes involve a change in appearance, state, or form of matter without altering its chemical composition, while chemical changes result in the formation of new substances with different chemical properties. Physical changes are usually reversible, meaning the original substance can be recovered, whereas chemical changes are typically irreversible. Physical changes do not involve the breaking or forming of chemical bonds, while chemical changes result in the rearrangement of atoms and the creation of new bonds.

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Some chemical changes when you are cooking are:burning the foodOVERcooking itUNDERcooking itsorry for only three examples. those are the ones that i can only think of so far.


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