0
Oxygen.
Wiki User
∙ 13y ago
Add your answer:
Earn +20 pts
What does the phlogiston theory ignore?
The phlogiston theory was not able to give satisfactory explanations of diverse energy conversions that involved heat energy. For example, through friction you can generate an almost unlimited amount of heat energy from a device.
What is the gas called used for a gas cooker?
In most places, it would be propane. Occasionally, it would be butane or even gaseous kerosene.
What was the gas called that killed soldiers in world war 1?
Several different poison gases were used in WW I; phosgene was the most lethal. Chlorine and lewisite were also used.Most of the gas used was either Chlorine Gas or Mustard GasHowever others were used as well including Tear Gas (bromide compounds) and Phosgene.
What is Sid Wilsons Black gas mask called?
It's just called a gas mask.
What is the name of the gas used in gas sterilization?
The gas commonly used in gas sterilization is ethylene oxide (EtO).
What is phlogiston supposed to do?
It was noticed that when things burn, they often leave behind an ash or residue that doesn't burn. It was suggested that before it burns, a flammable object contains some substance called phlogiston, which would make it burn, and when the phlogiston is used up, what is left over would not be able to burn. This theory was later shown to be wrong, and phlogiston is no longer part of the science of chemistry.
What was the phlogistone theory?
It was first thought that phlogiston was a substance, or gas rather, that was secreted from a combustion reaction. It was also thought that when the air became highly concentrated with phlogiston that the reaction would cease. However, this was later disproved by Lavoisier, who discovered that the reason combustion reactions ceased was because of the lack of oxygen. Oxygen, in fact, used to be called dephlogisticated air.
What did scientist think phlogiston was?
Phlogiston can be defined as "a hypothetical substance once believed to be present in all combustible materials and to be released during burning." Chemistry was so underdeveloped at the time Antoine Lavoisier gained interest in it that it could hardly be called a science. The prevailing view of combustion was the Phlogiston Theory which involved a weightless or nearly weightless substance known as phlogiston. Metals and fire were considered to be rich in phlogiston and earth was considered phlogiston poor. The following were the main theories put forward for 'phlogiston': * Weight loss when combustibles are burned because they lose phlogiston * Fire burns out in an enclosed space because it saturates the air with phlogiston * Charcoal leaves very little residue when burned because it is made mostly of phlogiston * Animals die in an airtight space because the air becomes saturated with phlogiston * Some metal calxes turn to metals when heated with charcoal because the phlogiston from the charcoal restores the phlogiston in the metal
When was phlogiston introduced?
by a man called georg ernst stahl xx
Who eventually disproved the idea of phlogiston?
A russain soviet called Malinovka Sosujragxy disproved the Phlogiston theory and discovered Oxygen instead was helped by his main colleague, Joe Lee.
Who rejected phlogiston theory?
Lavoiser rejected the phlogiston theory!
What is the mixture of calx and phlogiston?
lead calx + phlogiston = metallic lead
Was the phlogiston theory scientific?
The phlogiston theory proposed that everything contains an element called phlogiston which is released when something burns. It was initially challenged by the fact that things do not necessarily lose weight when burned. It was replaced entirely by oxidation theory (which we still hold today) when it was realised that things could not burn if oxygen wasn't present.
Is phlogiston considered a scientific knowledge?
No. Phlogiston was a theory considered to be fact and actually hindered scientific knowledge until it was discredited. The theory was used to explain certain observations about flame, oxidation, and the formation of certain compounds, most noticeably cinnabar. As with some theories, phlogiston used variable factors to explain anomalies. For instance it was assumed to have negative weight under certain circumstances. Once oxidation was properly understood phlogiston theory was no longer considered true.
What did Johann becher and georg stahl invent?
Proposed the theory of burning called the phlogiston theory
What is the phlogiston?
The alchemist and physician J. J. Becher proposed the phlogiston theoryThe phlogiston theory (from the Ancient Greek φλογιστόν phlogistón "burning up", from φλόξ phlóx "flame"), first stated in 1667 by Johann Joachim Becher, is an obsolete scientific theory that postulated the existence of a fire-like element called "phlogiston", which was contained within combustible bodies and released during combustion. The theory was an attempt to explain processes of burning such as combustion and the rusting of metals, which are now collectively known as oxidation.
Was the phlogiston theory of burning correct?
No, it was not. The phenomena explained by the theory are now known to be a result of oxidation, and phlogiston does not exist.
