A chemical or solution is considered explosive if it has a vapor pressure that allows it to form an ignitable mixture with air under standard conditions, typically when the vapor pressure exceeds 1 mmHg at 20°C (68°F). Additionally, if the substance can undergo rapid decomposition or combustion, releasing gas and heat, it may be classified as explosive. Regulatory definitions may vary, but generally, the potential for a substance to produce a violent reaction when exposed to heat or flame plays a crucial role in this classification. Always consult specific safety guidelines and regulations for detailed criteria.
when the vapor pressure is greater than 5 mm
The vapor pressure listed on a Material Safety Data Sheet (MSDS) indicates how readily a chemical evaporates into the air, which can be a concern for explosive hazards. If the vapor pressure is high, it means the substance can easily form flammable or explosive mixtures with air. Additionally, high vapor pressure may lead to increased inhalation exposure, posing health risks. Therefore, understanding vapor pressure is crucial for safe handling and storage of potentially explosive chemicals.
A chemical or solution is considered an explosive hazard when it can undergo a rapid, uncontrolled reaction that produces gas, heat, or pressure, leading to an explosion. This can occur under specific conditions such as heat, impact, or friction, or if mixed with incompatible substances. Additionally, compounds that are highly reactive or form unstable intermediates can also pose explosive risks. Proper labeling, storage, and handling are essential to mitigate these hazards.
When the pressure of an explosion expands and tears the casing of the explosive, it results in the release of the explosive material and the creation of a shockwave. This can lead to widespread damage and destruction in the surrounding area, depending on the size and strength of the explosion.
Fragmentation
The pressure is greater then 10 mm.
when the vapor pressure is greater than 5 mm
When the vapor pressure of a chemical or solution exceeds atmospheric pressure, it can pose an explosive hazard. This is because high vapor pressure indicates that the substance can easily evaporate and form a flammable or explosive atmosphere when mixed with air in certain concentrations. Proper handling and storage procedures are necessary to mitigate this risk.
The vapor pressure listed on a Material Safety Data Sheet (MSDS) indicates how readily a chemical evaporates into the air, which can be a concern for explosive hazards. If the vapor pressure is high, it means the substance can easily form flammable or explosive mixtures with air. Additionally, high vapor pressure may lead to increased inhalation exposure, posing health risks. Therefore, understanding vapor pressure is crucial for safe handling and storage of potentially explosive chemicals.
A firecracker contains chemical energy stored in its gunpowder or explosive material. When ignited, the chemical reactions release this energy in the form of heat, light, sound, and pressure.
No- but it may explode from a volcano due to the pressure behind it. The material itself is not an explosive.
A firecracker uses chemical energy stored in the explosive material inside it. When ignited, this chemical energy is rapidly released as heat, light, sound, and pressure, causing the firecracker to explode.
Explosiveness is a chemical property because it involves the chemical reaction that results in a rapid release of gas, heat, and pressure. It is not an inherent physical property of the material itself.
A chemical or solution is considered an explosive hazard when it can undergo a rapid, uncontrolled reaction that produces gas, heat, or pressure, leading to an explosion. This can occur under specific conditions such as heat, impact, or friction, or if mixed with incompatible substances. Additionally, compounds that are highly reactive or form unstable intermediates can also pose explosive risks. Proper labeling, storage, and handling are essential to mitigate these hazards.
Chemical energy is turned into heat, light and pressure(sound)
A physical change. The chemical make up of the material is not changed. --------------------------------------------------------------------- Pressure is not a change, it is a characteristic. It is the ratio force/area.
There is no electron rearrangement when a material evaporates, which is what defines a chemical change. Evaporation is the material's vapor pressure overcoming the particular force (Van der Waals, etc) that otherwise keeps it a liquid.