WebCAITY: Stars are made of hydrogen and helium mostly. And in the core of a star there are really, really high pressures and temperatures which can cause hydrogen atoms, for example, to smash together. And if they smash together, they can form a helium atom. The process is a little more difficult than that or a little more complex than that. WebFigure 23.6 Structure of an Old Massive Star. Just before its final gravitational collapse, the core of a massive star resembles an onion. The iron core is surrounded by layers of silicon and sulfur, oxygen, neon, carbon mixed with some oxygen, helium, and finally hydrogen. Outside the core, the composition is mainly hydrogen and helium.
Explosion - Wikipedia
WebJun 27, 2024 · History is replete with incidents when a large and uncontainable forest fire had been started by a spark generated by rubbing of tree branches, or amber left by a visitor. In a broader perspective, the proverb also means that a big change is often initiated by a small action or perhaps a thought. WebUnit 2- Part 2 Investigation 3: How can a small spark start a huge esplosion? What's a pure substance? Click the card to flip 👆 An element is a pure substance that cannot be broken down into any other substances by chemical or physical means A compound is a pure substance made of two or more elements chemically combined in a set ratio poolburn new zealand
A Spark can Start a Great Fire - Meaning, Expansion of idea, …
WebAug 5, 2024 · The explosive force occurs when solid ammonium nitrate decomposes very rapidly into two gases, nitrous oxide and water vapor. That explosive force from the Beirut blast triggered a shock wave that ... WebMar 27, 2024 · The motor first mixes gasoline and air in small quantities and then ignites the mixture inside a cylinder with an electrical spark. As the hot gases from the explosion expand, they push a piston, which in turn is linked to a shaft that transfers power to the transmission and ultimately the wheels. WebBackfire typically occurs when the engine is decelerated rapidly. Common Causes of Backfire: Lowering engine speed too fast Gasoline, which contains higher blends of alcohol Carburetor adjustment set too lean Muffler construction can induce backfire Higher than normal engine temperatures shaq wearing knee pads