Amides can also be derived from acids, such as carboxylic, where the hydroxyl group of the acid has been swapped with ammonia. Another example can be shown in acetic acid, where the resultant product is acetamide. The reaction and separation of ions turned the acid into an amide.mides can also be derived from acids, such as carboxylic, where the hydroxyl group of the acid has been swapped with ammonia. Another example can be shown in acetic acid, where the resultant product is acetamide. The reaction and separation of ions turned the acid into an amide.
Renaissance Humanism Humanism is the term generally applied to the predominant social philosophy and intellectual and literary currents of the period from 1400 to 1650.
The Early Renaissance was marked by the work of Masaccio, Fra Angelico, Paolo Uccello, Piero della Francesca and Verrocchio. The High Renaissance period was that of Leonardo da Vinci, Michelangelo, Raphael and Titian.The Mannerist period included Andrea del Sarto, Pontormo and Tintoretto. Mannerism is dealt with in a separate article.he earliest truly Renaissance images in Florence date from the first year of the century known in Italian as Quattrocento, synonymous with the Early Renaissance. At that date a competition was held to find an artist to create a pair of bronze doors for the Baptistry of St. John, the oldest remaining church in the city.