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Terms starting with Z

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Organic Chemistry

Zaitsev's Rule

In an elimination reaction, the major product is usually the more highly substituted and therefore more stable alkene.

Dimensionless
Chemical Kinetics & Catalysis

Zero-Order Reaction

A reaction whose rate is independent of the concentration of the reactant.

[A] = [A]₀ − kt mol/(L·s)
Thermochemistry & Thermodynamics

Zeroth Law of Thermodynamics

If two systems are each in thermal equilibrium with a third, they are in thermal equilibrium with each other.

T_A = T_C and T_B = T_C ⟹ T_A = T_B K
Inorganic & Coordination Chemistry

Zone Refining

An ultra-purification technique in which a narrow molten zone is passed repeatedly along a solid rod.

Dimensionless
Biochemistry & Polymer Chemistry

Zwitterion

A molecule carrying both a positive and a negative charge but no net overall charge.

⁺H₃N–CHR–COO⁻ Dimensionless