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The following outline acts as an overview of and topical guide to chemistry: . Chemistry is the science of atomic matter (matter that is composed of chemical elements), especially its chemical reactions, but also including its properties, structure, composition, behavior, and changes as they relate to the chemical reactions.
The primary objective of chemical thermodynamics is the establishment of a criterion for determination of the feasibility or spontaneity of a given transformation. [3] In this manner, chemical thermodynamics is typically used to predict the energy exchanges that occur in the following processes:
Physical chemistry is the study of macroscopic and microscopic phenomena in chemical systems in terms of the principles, practices, and concepts of physics such as motion, energy, force, time, thermodynamics, quantum chemistry, statistical mechanics, analytical dynamics and chemical equilibria.
General inorganic chemistry texts often put scandium (Sc), yttrium (Y), lanthanum (La), and actinium (Ac) in group 3, so that Ce–Lu and Th–Lr become the f-block between groups 3 and 4; this was based on incorrectly measured electron configurations from history, [6] and Lev Landau and Evgeny Lifshitz already considered it incorrect in 1948. [7]
An MTA cleaner allegedly slashed a man who confronted him for pouring bleach near the spot where he’d been sleeping on a Brooklyn subway platform early Monday, cops and sources said.
(Reuters) -The teenage girl who killed a teacher and fellow student at her Wisconsin school this week was in contact via text message with a California man who was planning his own mass shooting ...
The prize pool of $1.8 million is split based on results of the tournament in 2025. Players on the tournament winner receive $125,000 with runners-up to receive $50,000 apiece. The two teams ...