a liquid in which a solid substance has been dissolved
Such an electrode has a double reaction mechanism - an enzyme reacts with a specific substance and the product of this reaction usually H or OH is detected by a true ion-selective electrode such as a pH-selective electrodes. However many solids are also considered homogenous mixturesThere is a wide variety of solid homogeneous mixtures from naturally occurring materials like stone to synthetic plastics.
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Homogeneous mixtures are also known as solutionsWhen you think of a solution you probably think of a liquid.
. When a solid is heated above its melting point it becomes liquid because the pressure is higher than the triple point of the substance. All these reactions occur inside a special membrane which covers the true ion-selective electrode which is why enzyme electrodes sometimes are considered as. Intermolecular or interatomic or interionic forces are still important but the molecules have enough energy to move around which makes the structure mobile. This means that a liquid is not definite in shape but rather conforms to the shape of its.
This module shows how the structure and composition of various solids determine their properties including conductivity solubility density and melting point. Solids are formed when the forces holding atoms or molecules together are stronger than the energy moving them apart. The module distinguishes the two main categories of solids. Solid Homogeneous Mixture Examples.
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