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Mixtures are always combinations of the same compounds that are at different states?
Not necessarily. Mixtures can consist of different compounds in different states (e.g., a mixture of water and oil) or the same compounds in different states (e.g., a mixture of ice and liquid water). The key characteristic of mixtures is that they can be physically separated.
What is the Composition of organic compounds?
what are the composition of organic compounds? "Carbong, Hydrogen and oxygen with small amount of halogen, nitrogen, sulfur and phosphorus are the chief elements found in organic compounds." No, A composition of organic compounds are carbohydrates, lipids, proteins, nucleic acids. Source: In AP Biology.
Does a mixture obey the law of definite composition?
Yes, a mixture does not obey the law of definite composition. Mixtures can have varying proportions of different substances, whereas compounds, which obey the law of definite composition, have a fixed ratio of elements.
What is fixed composition?
Fixed composition refers to a mixture where the components are present in a specific and unchanging ratio. This means the proportion of each component in the mixture remains constant regardless of the amount of the mixture present. Fixed composition is often found in chemical compounds where the elements are combined in a defined ratio.
Why interstitial hydrides are not true chemical compounds?
Interstitial hydrides are not true chemical compounds because they do not have a fixed stoichiometry and exhibit variable composition. They form due to the absorption of hydrogen by certain metals, with the hydrogen atoms occupying spaces between metal atoms in the crystal lattice rather than forming distinct chemical bonds. This results in non-stoichiometric behavior and a lack of well-defined chemical properties characteristic of traditional chemical compounds.
What cannot possibly have a variable composition?
Nonstoichiometric compounds have a variable composition.
What is variable composition?
I am not 100% sure, but i believe variable composition is when the composition of a mixture can vary, or contain different properties, elements/compounds... etc. An example of variable composition would be a heterogeneous mixture, which has no uniform way of being composed. Where as its opposite, a homogeneous mixture, has a set composition of the same properties, elements/compounds... etc. and can be recreated.
Do compounds usually have variable ratios where as mixtures usually have fixed ratios?
Yes, compounds have fixed ratios of elements in a chemical formula, whereas mixtures can have variable ratios of different substances mixed together. Compounds are chemically bonded, while mixtures are physically mixed.
Do colloids have a fixed composition?
No, the composition is variable - excepting of course specific recipes.
What is the composition of inorganic compounds?
the composition varies from one compound to another
What is the term for matter having indefinite composition and variable properties?
The term for matter having indefinite composition and variable properties is a mixture. Mixtures can be homogeneous (uniform composition) or heterogeneous (non-uniform composition).
What are three different ways that compounds and mixtures differ?
Mixtures have widely variable contents, whereas compounds have fixed contents. In mixtures, each component retains its characteristics, but compounds may act wildly different from their component parts. Attempting to break down compounds requires vast amounts of energy, yet mixtures can be separated rather simply.
Mixtures are always combinations of the same compounds that are at different states?
Not necessarily. Mixtures can consist of different compounds in different states (e.g., a mixture of water and oil) or the same compounds in different states (e.g., a mixture of ice and liquid water). The key characteristic of mixtures is that they can be physically separated.
It is true for all compounds Composition of ionic compounds Which is NOT true of compounds Which is?
The statement that all compounds have a composition of ionic compounds is false. Many compounds can be covalent in nature, where atoms share electrons instead of transferring them. On the other hand, it is true that compounds have a definite composition with fixed ratios of elements and compounds are formed by the bonding of two or more different elements.
What is a uniform phase variable composition?
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If Law of constant composition true for all types of compounds?
No,Law of constant composition is valid only for compounds made from the specified isotopes of the element.
Why dont compounds differ from mixtures?
Compounds differ from mixtures because compounds have a fixed chemical composition with elements chemically bonded in a specific ratio, while mixtures can vary in composition with no fixed ratio. Compounds have specific properties different from their constituent elements, while mixtures retain the properties of their components.
