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Yes, chemical elements are substances.
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∙ 6y ago
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What best describes the enthalpy of formation of a substance?
The energy change that happens when a substance forms from its elements (APEX)
What does a chemical formula tell you about a pure substance?
It tells you the elements and the proportions of those elements that are present to make the pure substance.
When two elements combine to form a new substance is the new substance an element Whyor why not?
No. It is a compound because it is composed of two different elements.
What is a pure substance that contains three elements that are chemically bond?
Any substance that contains two or more elements chemically bound is a compound.
What substance is a chemical compound?
Basic definition. A compound is formed when two or more different elements are chemically combined. A substance can describe a mixture of elements or compounds.
Why is a substance considered pure?
Water is pure substance because it is two elements chemically combined, rather than just mixed.
What kind of substance of water?
Water is considered a pure chemical substance. Its mass and properties are similar to many of the other constituent elements.
Why is water considered a pure substance?
Water is pure substance because it is two elements chemically combined, rather than just mixed.
What foods are pure substance elements?
Foods are not pure elements; with indulgence carbonized materials as caramel, burned bread, etc. can be considered foods.
Why are elements and compounds considered as substances?
because if the substances is bonded to another substance its a compound
Why is a sample of matter considered a pure substance?
A pure substance is either an element or compound. Elements are composed of only one kind of atom, and compounds are composed of a definite proportion of atoms of different elements that is always the same.
What elements are in a substance?
Depends on the substance.
Is water a mixuture or substance?
Water is considered a pure chemical substance. Its mass and properties are similar to many of the other constituent elements.
Why is table salt considered to be a compound?
A compound is a substance consisting of two or more elements. Table salt, NaCl, includes the elements of Sodium (Na) and Chlorine (Cl). Therefore, it consists of two elements, making it a compound.
What best describes the enthalpy of formation of a substance?
The energy change that happens when a substance forms from its elements (APEX)
What are the classifications of pure substance?
the substance is substance
What is the pure substance?
Elements
