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In a hydrate, the water molecules combine in a specific ratio with the compound due to the structural arrangement and chemical bonding between the water molecules and the compound. This specific ratio ensures the formation of a stable crystalline structure, where each water molecule occupies a specific location in the compound's lattice. This results in a fixed number of water molecules combining with a definite amount of the compound to form a hydrate.

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Q: Why do a definite number of molecules of water combine with a definite amount of a compound in forming a hydrate?
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The physical association of water with compound is called?

The physical association of water with a compound is called hydration. Water molecules surround and interact with the ions or molecules of the compound, forming a hydrated complex.


What is the absorption of water by an anhydrous compound called?

The absorption of water by an anhydrous compound is called hydration. This process involves the compound forming a hydrate by combining with water molecules.


How do new compounds form when reactants combine?

New compounds form when reactant molecules combine through chemical reactions that involve the breaking and forming of chemical bonds. This process creates different arrangements of atoms, leading to the formation of new chemical compounds with unique properties.


How do carbon atoms combine when forming molecules such as glucose or fatty acids?

Carbon atoms combine by sharing electrons in covalent bonds. In glucose, carbon atoms form a ring structure with hydrogen and oxygen atoms attached to each carbon. In fatty acids, carbon atoms form a long chain with a carboxyl group at one end and a methyl group at the other end. These combinations allow for the formation of complex organic molecules with specific properties and functions.


Compare the solid liquid and gas phases of matter in terms of shape volume and arrangement and movement of particles?

as a material cools from a gas to a liquid, individual atoms or molecules slow down and get closer together. As it goes from a liquid to a solid, the molecules (or atoms) slow down more, and get closer together.

Related questions

When two or more elements bond together in definite proportions?

When forming a chemical compound.


What happens when an element combine?

In a proportional combination, a chemical reaction takes place forming a compound.


What happens When a covalent compound dissolves in a liquid the compound?

When a covalent compound dissolves in a liquid, the compound's molecules are surrounded and separated by the solvent molecules. This disrupts the intermolecular forces within the compound and allows the solvent molecules to interact with the compound's molecules. Ultimately, the compound disperses evenly throughout the solvent, forming a homogeneous solution.


The physical association of water with compound is called?

The physical association of water with a compound is called hydration. Water molecules surround and interact with the ions or molecules of the compound, forming a hydrated complex.


What is the absorption of water by an anhydrous compound called?

The absorption of water by an anhydrous compound is called hydration. This process involves the compound forming a hydrate by combining with water molecules.


What is a compound with water attached?

A compound with water attached is known as a hydrate. In a hydrate, water molecules are typically attached to the compound through weak bonds, often forming a crystal lattice structure. Hydrates can vary in the number of water molecules attached to the compound.


When forming a compound the chemical formula or compound is made stable with a net charge of zero by changing or adding?

When forming a compound the chemical formula or compound is made stable with a net charge of zero by the sharing of electrons (covalent compounds/molecules) or the transfer of electrons (ionic compounds).


Is HBr a molecular compound?

Yes, HBr is a molecular compound. It consists of covalent bonds between hydrogen and bromine atoms, forming molecules of HBr.


When a compound is held together by ionic bonds dissolves what does the compound do?

When a compound held together by ionic bonds dissolves in water, the ionic bonds are broken and the compound dissociates into its constituent ions. These ions are then surrounded by water molecules, which stabilize them and prevent them from re-forming the solid compound.


What is a compound that increases hydronium ions in solution called?

An acid is a compound that increases hydronium ions (H3O+) in solution. Acids donate protons to water molecules, forming hydronium ions.


Is sugar water a compound an element a heterogeneous mixture or a homogeneous mixture?

Sugar water is a homogeneous mixture. It consists of sugar (a compound) dissolved in water (a compound), forming a uniform solution where the sugar molecules are evenly distributed throughout the water.


What is the chemical formula of the compound that form when sodium and chloride combine?

The chemical formula of the compound formed when sodium and chloride combine is NaCl, which is commonly known as table salt. Sodium gives up an electron to chlorine, forming an ionic bond between the two elements.