Isomorphous substitution occurs when one ion in a mineral's crystal structure is replaced by another ion of similar size and charge without significantly altering the mineral's overall structure. The conditions that govern this process include the ionic radius, where the substituting ion must be close in size to the original ion; the valence, requiring similar charge; and the relative abundance of the ions in the environment. Additionally, temperature and pressure can influence the extent of substitution, as higher temperatures can enhance mobility and allow for greater substitution.
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It is a replacement of elements or compounds in a mineral such that no alteration takes place in the form of crystal of that mineral. Replacement atoms or ions must have approximately the same size as those replaced. Replacement ions must have the same total ionic charge as those replaced. Example: Peridot (Mg,Fe)2SiO4
Nernst Equation
C6H12 can undergo both addition and substitution reactions, depending on the specific conditions and reagents used. Addition reactions involve the addition of atoms or groups to double or triple bonds, while substitution reactions involve the replacement of one atom or group with another. The type of reaction that occurs will depend on the nature of the reactants and the reaction conditions.
substitution menthod
The reaction between bromine and cyclohexane involves substitution of a hydrogen atom in cyclohexane with a bromine atom, forming bromocyclohexane. This reaction is a free-radical substitution reaction. Conditions favoring the reaction include the presence of light or heat to initiate the free radical formation and the use of a radical initiator such as peroxides.
Once you know the cooling rate for the specific elements or alloy composition. The liquidus and solidus of a binary isomorphous phase diagram can be determined experimentally by plotting the corresponding liquid/solid curves. Plotting the liquid and solid temperature verses the composition of the allowing will create the phase diagram.
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marginal rate of substitution
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I can give you several sentences.Use that ingredient as a substitution for the one you don't have.He is going in as a substitution for the quarterback.This is a substitution for the real thing.Margarine could be used as a substitution.
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