Examlex
The net ionic equation for the reaction occurring when a small amount of sodium hydroxide solution is added to a buffer solution containing NH4Cl and NH3 is correctly shown here: NaOH + NH4+ NH3 + H2O + Na+
Alexander Calder
An American sculptor known for inventing the mobile, a type of moving sculpture made with delicately balanced or suspended shapes that respond to touch or air currents.
Engineering
The application of scientific and mathematical principles towards the design, construction, and maintenance of structures, machines, and systems to solve problems and achieve practical goals.
Cadeau
A French word meaning "gift," often used in the context of art to describe a piece given as a present or to denote a work’s conceptual underpinning as a gift to the viewer.
Man Ray
An American visual artist who spent most of his career in France and is best known for his contributions to the Dada and Surrealist movements through photography and avant-garde images.
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