Charles, Jacques Alexandre

Charles, Jacques Alexandre Cesar (1746-1823) French inventor, scientist, mathematician and balloonist. 

Charles, Jacques-Alexandre-Cesar (1746-1823) French physicist and physical chemist who, with Joseph-Louis Gay-Lussac, established a law of the changes in gas volume caused by temperature changes at constant pressure. This is commonly known as Charles law of pressures. 

Charles, Jacques Alexandre Cesar (1746-1823) A French chemist and physicist best known for his discovery of Charles s law. He made the first hydrogen balloon ascent in 1783, which was sponsored by the Academic des Sciences. He prepared the hydrogen, filled the balloon, and with an assistant, Nicolas-Louis Robert (1760-1820), rose to aheight of over 500 m. He also experimented with atmospheric electricity. 

Boyle also observed that heating a gas causes it to expand in volume, but more than a century passed before Jacques-Alexandre-Cesar Charles reported the first quantitative studies of gas volume as a function of temperature. Charles found that for a fixed amount of gas, a graph of gas volume vs. temperature gives a straight line, as shown in Figure 5. In other words, the volume of a gas is directly proportional to its temperature ... 

Jacques Alexandre Cesar Charles was born in France in 1746. He was a scientist who developed many inventions. He is especially remembered for something he did on August 27,1783. That day, Charles launched an enormous balloon that was made of silk that had been coated with varnish. The balloon was filled with hydrogen gas. When the ropes holding the floating balloon were cut, it slowly ascended (rose) into the air. The balloon reached almost 3,000 feet (914 meters) before it landed just outside Paris, France. 

After the discovery of Boyle s law, it was more than one hundred years before the dependence of the w>lume of a gas on the temperature was investigated. Then in 1787 the French physicist Jacques Alexandre Charles (1746-1823) reported that different gases expand by the same... 

Jacques-Alexandre-Cesar Charles was a mathematician and physicist remembered for his pioneering work with gases and hydrogen balloon flights. Charles was born on November 12, 1746, in Beaugency, Loiret, France his first occupation was as a clerk at the Ministry of Finance in Paris. However, his interests eventually turned to science. 

It is called after Jacques Alexandre Cesar Charles... 

Charles volume law is sometimes called Gay-Lussac s law after its independent discoverer. The law is named for both the French physicist and physical chemist Jacques Alexandre Cesar Charles (1746-1823) and for the French physicist Joseph-Louis Gay-Lussac (1778-1850). See also absolute temperature gas laws. 

Jacques Alexandre Cesar Charles (1746-1823). French physicist. He was a gifted lecturer, an inventor of scientific apparatus, and the first person to use hydrogen to inflate balloons. 

In 1787 the French physicist Jacques Alexandre Charles (1746-1823) reported that different gases expand by the same fractional amount for the same rise in temperature. Dalton in England continued these studies in 1801, and in 1802 Joseph Louis Gay-Lussac (1778-1850) extended the work, and determined the amount of expansion per degree centigrade. He found that all gases expand by of their volume at 0°C for each degree centigrade that they are heated above this temperature. Thus a sample of gas with volume 273 ml at 0°C has the volume 274 ml at 1 C and the same pressure, 275 ml at 2 C, 373 ml at 100°C, and so on. 

Jacques Alexandre Charles (1746-1823) was a pioneer spaceman in the lowest atmosphere. In 1783 he built a hydrogen gas balloon, the first in history. He produced the hydrogen by dissolving iron in sulfuric add. In 1804, Louis-Joseph Gay-Lussac and J.-B. Biot made a famous and bold balloon ascent over Paris with the aim of studying the composition of the atmosphere and the behavior of the magnetic needle at high altitudes. 

The first ascent of a hot-air balloon carrying people was made on November 21,1783. A few days later, Jacques Alexandre Charles made an ascent in a hydrogen-fiiied balloon.On landing, the baiioon was attacked and torn to shreds by terrified peasants armed with pitchforks. 

One of the first quantitative observations of gases at different temperatures was made by Jacques Alexandre Charles in 1787. Charles was a French physicist and a pioneer in hot-air and hydrogen-filled balloons. Later, John Dalton (in 1801) and Joseph Louis Gay-Lussac (in 1802) continued these kinds of experiments, which showed that a sample of gas at a fixed pressure increases in volume linearly with temperature. By linearly, we mean that if we plot the volume occupied by a given sample of gas at various temperatures, we get a straight line (Figure 5.9). 

Jacques Alexandre Cesar Charles (1746-1823) was a French scientist who was interested in both the behavior of gases and the behavior of balloons, the latter of which were just being developed when Charles was in his early thirties. 

Jacques-Alexandre-Cesar Charles to try to duplicate this phenomenon. As a result Charles observed that the volume of a gas is directly proportional to its temperature. 

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