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Hace 4 días · Nineteen years later Louis Jacques Thénard recognized that this compound could be used for the preparation of a previously unknown compound, which he described as eau oxygénée ("oxygenated water") – subsequently known as hydrogen peroxide.
Hace 3 días · In 1811 Louis-Joseph Gay-Lussac and Louis-Jacques Thénard probably prepared impure silicon, and Berzelius obtained the pure element in 1823. The name was proposed to be changed to silicon by Thomas Thomson in 1817, and this was eventually accepted because of its analogies to boron and carbon.
Hace 5 días · Equestrian skills were expected of a monarch. But portraying the King mounted on a pig was most unflattering. Linking royalty to animals was a theme that emerged after the flight to Varennes.
Hace 2 días · In 1780, Sven Rinman discovered cobalt green, and in 1802 Louis Jacques Thénard discovered cobalt blue.
Hace 4 días · Cuenta la leyenda que Spyros Louis se habría detenido en una taberna a tomar una copa de vino para continuar, entonces con un ritmo más lento pero constante esperó a que su rival cayera por el cansancio y así proclamarse como ganador del oro con un tiempo de 2:58.50.
Hace 1 día · France - Kings, Revolution, Napoleon: Charlemagne, Louis XIV, the House of Bourbon, and other major rulers and dynasties of France.
Hace 22 horas · France - Absolutism, Louis XIV, Monarchy: Thus, in religious matters (except where Jansenism was concerned), in his dealings with the nobility and the Parlement, in his attitude toward the economy, and in his manner of governing the country, Louis revealed a desire to exercise a paternal control of affairs that might suggest a modern ...
