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∙ 12y ago
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Is heat released or absorbed during sublimination?
Sublimation is when a solid turns into a gas. During sublimation the solid gains energy to turn into a solid.
Is energy released or required for evaporation to take place?
It is used to break hydrogen bonds so that water molecules can escape the liquid state.
What place is sublimation?
Sublimation is the direct transformation of a solid in a gas.
How do catalysts the energy of reactions?
They lower the activation energy required for the reactions to take place
What is different between exothermic and endothermic reactions?
If energy is released as a result of a process, an exothermic change has taken place. If a constant input of energy is required to drive a physical or chemical change, the change is described as endothermic.
Where is the energy and how is energy released in ATP?
in a pond or a grassy place
What bonds of the reactants are broken in this reaction?
Energy is the key for any reaction to take place. To break the bonds of a substance, a fixed amount of energy is required which is called bond energy. For some substances the bond energy is low and they do not require external energy and start reaction on their on there own whereas for some substances we have to provide external energy for the reaction to take place.
How do catalysts effect the energy of reaction?
They lower the activation energy required for the reactions to take place
How do catalysts affects the energy of a reaction?
They lower the activation energy required for the reactions to take place
What is vaporization taking place on the surface of a liquid?
sublimation!! :)
What do you call the place where energy is first released in an earthquake?
epicentre
Can a chemical reaction take place in which energy is absorbed or released?
no
