No, objects cannot spontaneously combust without an external ignition source.
It means u burn without an externel source of ignition dude
Spontaneously Combustible
the different between emitting x-rays spontaneously and non-spontaneously is that spontaneously means sending out and non-spontaneously means without effort.
To reset the maintenance light on a 2007 Toyota 4Runner, start by turning the ignition to the "ON" position without starting the engine. Press the gas pedal three times within five seconds. After that, turn the ignition off and then start the engine to ensure the maintenance light is reset. If done correctly, the light should no longer be illuminated.
To reset the maintenance reminder on a 2017 Toyota 4Runner, start by turning the ignition switch to the "ON" position without starting the engine. Press the gas pedal three times within five seconds. Then, turn the ignition off and start the engine to ensure the maintenance light has been reset. If done correctly, the maintenance reminder should no longer be displayed.
Clothes cannot spontaneously catch fire without an ignition source. However, they can smolder or burn if exposed to high temperatures or certain chemical reactions. For example, fabrics can ignite in the presence of strong oxidizers or if exposed to intense heat from other materials. Generally, an external ignition source, such as a flame or spark, is required for clothes to catch fire.
Spontaneously combustible materials are substances that can ignite without an external ignition source due to a chemical reaction, typically involving oxidation. These materials generate heat internally, and if this heat is not dissipated effectively, it can lead to ignition. Common examples include certain organic materials like hay, oily rags, and compost piles. Proper storage and management are crucial to prevent spontaneous combustion in these materials.
Pyrophoric materials are substances that spontaneously ignite upon exposure to air. These materials can be extremely hazardous due to their ability to catch fire without an external ignition source. Special precautions, such as handling in inert atmospheres, are required when working with pyrophoric materials to prevent accidents.
The auto-ignition temperature of a flammable mixture is the lowest temperature at which it will spontaneously ignite without an external ignition source, such as a flame or spark. It varies depending on the specific components of the mixture, but it is typically in the range of 300-500 degrees Celsius for most flammable gases and vapors.
The autoignition temperature of methane gas is approximately 580 to 600 degrees Celsius (1076 to 1112 degrees Fahrenheit). This is the temperature at which methane can ignite spontaneously without the need for an external ignition source. Factors such as pressure and the presence of other substances can influence this temperature.
The autoignition temperature of hydrogen is approximately 500°C (932°F) in air. This is the temperature at which hydrogen gas will spontaneously ignite without the need for an external ignition source.