What is the flashpoint and why is it important?
The flash point is an important concept in fire investigation and fire protection because it is the lowest temperature at which a risk of fire exists with a given liquid. It is crucial in many circumstances to establish the presence of some liquids and to know their flash point during the investigation process.
What is the flashpoint of pure ethanol?
12.7°C
For example, pure ethanol will flash at 12.7°C; a 70\% mixture by weight in water will flash at 23°C; and a 24\% mixture in water at 60.5°C. Transportation temperature: materials with high flash points may be considered flammable if transported at temperatures above their flash points.
Why does ethanol catch fire immediately?
We now know that it’s the alcohol vapor that catches fire, not the liquid, just like with gasoline. More vapor comes off the alcohol as the alcohol heats up, making it easier for it to light. Colder alcohol means less vapor, which means less chance for flames.
What caused the flashpoint?
The Reverse-Flash reveals that Flash himself created the Flashpoint timeline by traveling back in time to stop him from killing Barry’s mother. Barry pulled the entire Speed Force into himself to stop Thawne, transforming the timeline by shattering the history of his allies.
What happens in the flashpoint?
Flashpoint is a reboot event that ends the continuity of New Earth and starts Prime Earth and the New 52. Changes come about in the timeline after Flash goes back in time to save his mother.
Is ethanol flammable or combustible?
Ethanol, C2H5OH, is a flammable, colorless, slightly toxic chemical compound sometimes simply referred to as alcohol. Combustion of ethanol forms carbon dioxide and water. Ethanol is a combustible, toxic compound. It has many names, including ethyl, drinking, or grain alcohol.
What is flash point and fire point?
Flash point is the lowest temperature at which a liquid can gives off vapor to form an ignitable mixture in air near the surface of the liquid. The fire point is usually a few degrees above the flash point.
What happens when ethanol burns?
When you burn – or combust – ethanol (C2H5OH) in air (which contains oxygen, O2), the final products obtained are carbon dioxide gas (CO2) and water (H2O).
What did the flashpoint do?
For those who don’t know, Flashpoint was a 2011 comic from Geoff Johns and Andy Kubert which saw Barry Allen travel back in time to prevent Eobard Thawne, the Reverse-Flash, from murdering Barry’s mother. As a result, a Butterfly Effect-esque “flashpoint” causing radical changes to the DC Universe.
What happens in a Flashpoint?
In the Flashpoint comic, Barry Allen wakes up powerless and living in a different, much darker world than the one he knows. The one bright spot for Barry is that his mother is still alive, but even his joy at seeing her doesn’t stop him from wanting to return to the world he knows.
What caused Flashpoint?
Penthesilea kills Billy Batson causing a massive explosion that cripples the opposing forces. Zoom reveals to Barry that the Flashpoint timeline was actually created by Barry himself, after he travelled back in time to stop him from killing his mother.
Who caused the flash point?
Flashpoint hinges on the revelation that it was actually Barry himself who caused this new timeline. The amnesic Barry eventually remembers that he used his speed to travel back in time and save his mother from being murdered by Reverse-Flash.