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When 2 substances are brought together in contact there may be a physical or a chemical change depending on conditionsgive 2 examples?
Wiki User
∙ 12y ago
1. Their outer electron shells are charged ie. -e, or anion.
2. They are a negatively charged Hydrogen atom, AKA Antimatter.
Wiki User
∙ 12y ago
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3 examples of chemical energy?
Chemical energy is the potential of a chemical substance to undergo a transformation through a chemical reaction or to transform other chemical substances. Three examples are: firewood burning, photosynthesis, and a charged battery.
What substances change the speed of your reactions?
Catalysts accelerate chemical reaction. Enzymes are examples of catalysts that speed up reactions in the body.
What laboratory apparatuses are used to perform chemical test on substances?
Some common laboratory apparatuses used to perform chemical tests on substances include test tubes, beakers, flasks, pipettes, and graduated cylinders. Other specialized apparatuses such as burettes, spectrophotometers, and centrifuges may also be used depending on the specific test being conducted.
The letters C Al and Au are examples of what elemental?
The letters C, Al, and Au represent the chemical symbols for the elements carbon, aluminum, and gold, respectively. They are examples of chemical elements, which are substances that cannot be broken down into simpler substances by chemical means.
What is considered a chemical properties of a substance?
Examples: - flammability - resistance to corrosion - resistance to thermal degradation - oxidation - reduction - apptitude for polymerization - chemilumiscence etc.
What is the term for chemical substances produced by glands of the endocrine system?
Hormones are chemical substances secreted by endocrine glands
A chemical change of original substance into one or more new substances is called?
Substances that undergo chemical change are called reactants.
What are examples of compound in chemistry?
Compounds are pure chemical substances with two or more different chemical element that can be separated by chemical reactions. Examples include water compounds (oxygen and hydrogen), and table salt (sodium and chlorine).
What is a kind of mixture?
Two or more chemical substances, mixed without a chemical reaction form a mixture; examples: wine, asphalt, juice, air.
3 examples of chemical energy?
Chemical energy is the potential of a chemical substance to undergo a transformation through a chemical reaction or to transform other chemical substances. Three examples are: firewood burning, photosynthesis, and a charged battery.
What kind of mixture have you observed?
Two or more chemical substances, mixed without a chemical reaction form a mixture; examples: wine, asphalt, juice, air.
What substances change the speed of your reactions?
Catalysts accelerate chemical reaction. Enzymes are examples of catalysts that speed up reactions in the body.
What does the substances that secretes by the endocrine glands?
The endocrine system produces chemical messengers called hormones. Examples of hormones include thyroxine, adrenaline, and estrogen.
What laboratory apparatuses are used to perform chemical test on substances?
Some common laboratory apparatuses used to perform chemical tests on substances include test tubes, beakers, flasks, pipettes, and graduated cylinders. Other specialized apparatuses such as burettes, spectrophotometers, and centrifuges may also be used depending on the specific test being conducted.
The letters C Al and Au are examples of what elemental?
The letters C, Al, and Au represent the chemical symbols for the elements carbon, aluminum, and gold, respectively. They are examples of chemical elements, which are substances that cannot be broken down into simpler substances by chemical means.
What is Adhesives and Sealants?
Adhesives are usually chemical compounds used to bind two materials together. Sealants are substances used to keep out other substances. Examples: Glue is an adhesive You put sealant on wood to keep it from absorbing water
What is considered a chemical properties of a substance?
Examples: - flammability - resistance to corrosion - resistance to thermal degradation - oxidation - reduction - apptitude for polymerization - chemilumiscence etc.
