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True or false activation energy is needed only by chemical reactions that release energy?
Wiki User
∙ 11y ago
true
activation energy is the minimum amount of energy needed to start a chemical reaction
Wiki User
∙ 13y ago
False. Activation energy is needed by all chemical reactions, regardless of whether they release or absorb energy. It is the minimum amount of energy required to initiate a chemical reaction.
Wiki User
∙ 11y agoFALSE
Wiki User
∙ 13y agotrue
Wiki User
∙ 11y agotrue
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Describe the role of energy in chemical reactions?
Energy is required to break bonds between atoms in reactant molecules, allowing them to rearrange into new products. This energy is called activation energy. Some reactions release energy, called exothermic reactions, while others absorb energy, called endothermic reactions. Overall, energy is essential for driving chemical reactions and determining whether they proceed or not.
Is it true or false that all chemical reactions require an initial input of energy called catalysis?
False. Not all chemical reactions require catalysis. Some reactions occur spontaneously, while others may require an initial input of energy in the form of activation energy. Catalysis is a process that lowers the activation energy required for a reaction to occur, but it is not necessary for all reactions.
Which term describes energy that is required to get chemical reactions started?
Activation energy is the term used to describe the energy required to start a chemical reaction by breaking the initial bonds between atoms or molecules. This energy barrier must be overcome in order for the reaction to proceed.
Is the activation energy for chemical reactions in living things high or low?
The activation energy for chemical reactions in living things is generally low compared to non-biological systems. Enzymes play a major role in lowering the activation energy, allowing reactions to occur at the relatively mild conditions found in biological settings. This enables life processes to proceed efficiently.
How does enzymes speed up chemical reactions in your body?
Enzymes speed up chemical reactions in the body by lowering the activation energy needed for the reactions to occur. They do this by bringing substrates together in a precise orientation, reducing the energy required for the reaction to proceed. Enzymes themselves remain unchanged after the reaction and can be reused for multiple reactions.
What term describes energy that is required to get chemical reactions started?
Activation energy describes the energy that is required to get chemical reactions started.
Which term describes energy that is required to get chemical reactions started?
Activation energy is the term used to describe the energy required to start a chemical reaction by breaking the initial bonds between atoms or molecules. This energy barrier must be overcome in order for the reaction to proceed.
How do enzymes affect the activation of energy in chemical reactions?
they lower the activation energy.
How is activation energy relates to the start of chemical reactions?
A chemical reaction begin only if the activation energy has a specific value.
WHAT TERM DESCRIBES ENERGY THAT REQUIRES TO GET CHEMICAL REACTIONS STARTED?
Activation energy describes the energy that is required to get chemical reactions started.
What is activation effect?
Activation effect is the effect of spontaneous reactions that release energy. When reactants mix and produce a series of chemical potential energies, the outcome of the reaction results into an activation effect due to the reactions.
Why is chemical energy needed in all chemical reactions?
To initiate a chemical reaction an activation energy is necessary.
Do catalysts lower the activation energy of chemical reactions?
Yes, they do.
Is the activation energy for chemical reactions in living things high or low?
The activation energy for chemical reactions in living things is generally low compared to non-biological systems. Enzymes play a major role in lowering the activation energy, allowing reactions to occur at the relatively mild conditions found in biological settings. This enables life processes to proceed efficiently.
What are Biological proteins that lower the activation energy for chemical reactions?
Enzymes
Are biological proteins that lower the activation energy for chemical reactions.?
Enzymes
What is the term for the amount of energy that needs to be added for chemical reactions to start?
activation energy
