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Which element shows spontaneous combustion?
Phosphorus is an element that can exhibit spontaneous combustion when exposed to oxygen. This occurs because phosphorus ignites spontaneously in air due to its high reactivity, leading to combustion without an external ignition source.
How does spontaneous combustion in coal occur and what are the factors that contribute to this phenomenon?
Spontaneous combustion in coal happens when the coal self-heats and ignites without an external heat source. Factors that contribute to this phenomenon include the coal's composition, moisture content, particle size, and ventilation. When coal oxidizes, it releases heat, and if the heat cannot dissipate quickly enough, it can lead to spontaneous combustion.
Is oxygen needed for a combustion reaction to take place?
Yes, oxygen is needed for combustion to take place. Combustion is a chemical reaction that involves the rapid combination of a fuel with oxygen, resulting in the release of heat and light energy. Without oxygen, the combustion process cannot occur.
Which element is always a reactant in a combustion reaction?
Every combustion reaction we deal with produces gas with oxygen in the product, so O2 (oxygen gas) must be a reactant. For example, methane reacts with Oxygen in this way: CH4(l) + O2(g) -> C02(g)+2H2(g) Note O2 in gaseous form as a reactant.
Define complete combustion and write a chemical equation for the complete combustion of methane gas?
Complete combustion is the reaction with oxygen of a material containing at least one of carbon and hydrogen to convert all of the carbon content of the material to carbon dioxide and all of the hydrogen content to water. For methane, CH4 + 2 O2 = CO2 + 2 H2O. But minimum speed range for the CNG vehicle in driving condition should be atleast 50 km per hour for optimum oxygen ratio with methane to achieve complete combustion of CNG
Is sponge iron susceptible to Spontaneous Combustion?
nothing is susceptible to spontaneous combustion
What five conditions can cause spontaneous combustion?
Five conditions that can cause spontaneous combustion include: presence of a flammable material, sufficient oxygen supply, heat source or ignition point, confinement of heat, and a chemical reaction that leads to self-heating.
What has to happen in order for a spontaneuos combustion to occur?
Spontaneous combustion occurs when a material self-heats due to a chemical reaction, without an external heat source. Typically, it requires a combination of factors like a material with low ignition temperature, a high enough thermal mass for heat to accumulate, and access to oxygen to continue the reaction.
Can soiled diapers cause spontaneous combustion?
No, soiled diapers cannot cause spontaneous combustion. Spontaneous combustion occurs when material self-heats and ignites without an external heat source, typically involving substances like oily rags or composting materials. Soiled diapers do not contain the necessary elements for spontaneous combustion to occur.
What is autoxidation?
Autoxidation is a spontaneous oxidation reaction which results in the slow, flameless combustion of a material.
Is the combustion of gas spontaneous?
The combustion of gas is a spontaneous process because it occurs naturally without needing an external force to initiate it. Once oxygen is present and the temperature reaches the ignition point, the combustion reaction will start on its own.
How hot does oxygen burn and what are the factors that influence its combustion temperature?
Oxygen itself does not burn, but it supports combustion. The temperature at which oxygen supports combustion varies depending on the material burning. Factors that influence combustion temperature include the type of material, the amount of oxygen present, and the efficiency of the combustion process.
Which element shows spontaneous combustion?
Phosphorus is an element that can exhibit spontaneous combustion when exposed to oxygen. This occurs because phosphorus ignites spontaneously in air due to its high reactivity, leading to combustion without an external ignition source.
How do you release spontaneous combustion?
There is no way to release spontaneous human combustion voluntarily or involantarily
What is the duration of Spontaneous Combustion film?
The duration of Spontaneous Combustion - film - is 1.62 hours.
When was Spontaneous Combustion - film - created?
Spontaneous Combustion - film - was created on 1990-02-23.
What is an autooxidation?
An autooxidation is another name for autoxidation, a spontaneous oxidation reaction which results in the slow, flameless combustion of a material.
