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Endothermic reactions take in heat from the surroundings (and make it cooler), exothermic reactions give out heat to the surroundings making it hotter. Get too close to a sparkler and you'll find it is very hot! This is because it is an exothermic reaction.
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Is burning octane exothermic or endothermic?
EXOTHERMIC
Is wax in a candle burning an exothermic process or endothermic?
Exothermic process
Does wood undergo an exothermic reaction or an endothermic reaction?
Like all burning reactions (with oxygen that is) burning wood is also exothermic.
Is burning gasoline an exothermic process or an endothermic process?
Solid to gas (sublimation) is endothermic (takes in heat).In other words:A phase change from the solid state to the gas state is endothermic.Sublimation is endothermic (takes in energy).Heat energy must be provided to make it work.When there is a change of state from a solid to a liquid, a solid to a gas, or a liquid to a gas, at a constant temperature, the process is endothermic NOT exothermic. It requires energy to break the intermolecular forces that keep the molecules together, and that reduces the temperature - heat is taken in.
Is burning aluminum endothermic?
The reaction aluminum underwent during the disaster of Hindenburg was exothermic. It is exothermic because during this disaster it gave off heat.
Is burning a coal endothermic or exothermic?
exothermic
Is burning octane exothermic or endothermic?
EXOTHERMIC
Which of the following is endothermic a dry ice evaporating b a sparkler burning c the reaction that occurs in a chemical cold pack often used to ice athletic injuries?
Dry ice evaporating is endothermic-->+DeltaH A sparkler burning is exothermic--->-DeltaH The reaction that occurs in a chemical cold pack often used to ice athletic injuries is endothermic--->+DeltaH
Is burning alcohol endothermic or exothermic?
When something burns it gives off heat. Therefore, it is exothermic.
Is burning alcohol an exothermic or endothermic process?
Exothermic
Is burning petrol exothermic or endothermic?
Exothermic
Is burning leaves a endothermic or exothermic process?
Exothermic
Is burning calories when exercising endothermic or exothermic?
Exothermic. Burning calories produces energy.
Is wax in a candle burning an exothermic process or endothermic?
Exothermic process
Classify the burning of natural gasses in exothermic or endothermic changes?
The burning of natural gas is an exothermic process.
Is burning sugar endothermic?
Endothermic means absorbing thermal energy, so of course not. There is no such thing as sugar getting cold when it's burning. Burning sugar is exothermic, meaning it releases heat.
Is strong acid burning through metal exothermic or endothermic?
It is a exothermic reaction.
