Search results
People also ask
How does water extinguish a fire?
What is a chemical reaction called?
What are the particles of a gas called?
How did Aristotle define fire?
How does a fire stream absorb heat?
What is a fire stream?
6 days ago · the primary way that water extinguishes a fire is by absorbing heat which creates a cooling effect. when heated to its boiling point, water absorbs heat and converts into water vapor in a process called vaporization.
Oct 2, 2024 · used to break up burning material. least amount of cooling effect (10%) uses most amount of water. Study with Quizlet and memorize flashcards containing terms like cooling, smothering, oxygen dilution and more.
6 days ago · A + BX ---> AX + B. The general equation for a double-replacement reaction is ________. AX + BY ---> AY + BX. Study with Quizlet and memorize flashcards containing terms like The production of a slightly soluble solid compound in a double displacement reaction results in formation of a ___ a. Gas b.
The number of molecules arriving at an area on one side of the gas layer, with speed at angle from the normal, in time interval is. These molecules made their last collision at a distance above and below the gas layer, and each will contribute a molecular kinetic energy of where is the specific heat capacity.
Oct 7, 2024 · Fire, rapid burning of combustible material with the evolution of heat and usually accompanied by flame. It is one of the human race’s essential tools, control of which helped start it on the path toward civilization. The original source of fire undoubtedly was lightning, and such fortuitously
- The Editors of Encyclopaedia Britannica
- Fire is a rapid burning of combustible material in the presence of oxygen manifested as flames. It is usually accompanied by heat and light. Fire i...
- Evidence suggests that the earliest controlled use of fire by hominins was about 1,420,000 years ago. However, it was not until about 7000 BCE that...
- Early humans used fire to keep warm and cook their food. They also learned to use it in hunting and warfare, to kill insects, and to clear forests...
- The most widespread method of producing fire among prehistoric peoples was the friction method. Most commonly, a pointed hardwood was twirled betwe...
- Fire has been an essential element at every stage of the growth of civilization. Much of the history of technology and science might be characteriz...
2 days ago · The substance (or substances) initially involved in a chemical reaction are called reactants or reagents. Chemical reactions are usually characterized by a chemical change, and they yield one or more products, which usually have properties different from the reactants.
Oct 3, 2024 · combustion, a chemical reaction between substances, usually including oxygen and usually accompanied by the generation of heat and light in the form of flame.
