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Tag: Sublimation

Change of State of a Substance

Post author By Hemant More
Post date May 24, 2020
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Science > Chemistry > States of Matter > Change of State of a Substance In this article, we shall study a change in the state of a substance. Melting (Solid → Liquid): The process of change of solid substance into its liquid state is called melting or fusion. The constant temperature at which the solid […]

Physical Chemistry

Methods of Separation of Mixtures

Post author By Hemant More
Post date May 15, 2020
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Science > Chemistry > Introduction to Chemistry > Methods of Separation of Mixtures In the last article, we have studied the chemical classification of substances. Most of the available substances in nature are in mixture form. The useful component of the mixture can be obtained by separating individual components of the mixture by a suitable […]

Physical Chemistry

Enthalpy Of Different Processes

Post author By Hemant More
Post date January 20, 2020
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Science > Chemistry > Chemical Thermodynamics and Energetics > Heat of Reaction Of Different Processes In this article, we shall study change in enthalpy for different chemical processes. Enthalpy of Formation (ΔfH° or ΔformationH°): The change in enthalpy of a chemical reaction at a given temperature and pressure, when one mole of the substance is formed […]

Tags Adiabatic process, Bond energy, Bond enthalpy, Chemistry, Constant pressure process, Constant temperature process, Constant volume process, Crystal lattice energy, Cyclic process, Endothermic reaction, Enthalpy of atomization, Enthalpy of combustion, Enthalpy of condensation, Enthalpy of dissociation, Enthalpy of formation, Enthalpy of freezing, Enthalpy of fusion, Enthalpy of hydration, Enthalpy of ionization, Enthalpy of neutralization, Enthalpy of reaction, Enthalpy of solution, Enthalpy of sublimation, Enthalpy of vapourization, Exothermic reaction, Free expansion, Fusion, Heat of reaction, Irreversible process, Isobaric process, Isochoric process, Isothermal process, Pressure volume work, Process, Reversible, Reversible process, Sign convention, State of a substance, Sublimation, Thermochemical equation, vapourization, work done in cyclic process