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How is the activation energy related to whether or not collision between molecules is successful?
Generally speaking, the lower the activation energy, the more successful collision between molecules will happen.
How does the energy of photon depend on its frequency?
More frequence = more energy.
How does a temperature increase affect collision between molecules?
The number of collisions with enough energy to react increases.
What is the minimum energy required for molecules to react with each other called?
That is called the activation energy or energy of activation (Ea).
What it the term used to describe the energy needed to get a reaction started?
The energy needed to get a reaction started is called activation energy.
How is the activation energy related to whether or not collision between molecules is successful?
Generally speaking, the lower the activation energy, the more successful collision between molecules will happen.
Does a reaction take place if the energy of the collision is greater than or equal to the activation energy?
no
What does the energy of an electromagnetic wave depend?
Frequency
What does the energy of the electromagnetic wave depend on?
Frequency
What does the energy of an electromagnet wave depend on?
Frequency
What factor will most likely lower the activation energy of a reaction?
The presence of a catalyst will lower a reaction's activation energy.
How does the energy of photon depend on its frequency?
More frequence = more energy.
What happens if a pair of colliding molecules possesses less energy than Ea?
If the collision has less energy than Ea (which is activation energy,) then the particles will not have sufficient energy to react.
What is the collision energy needed to break bonds of an existing one and make new bonds?
I think the term you're looking for might be "activation energy", but if so that's a pretty poor way of describing it, so I'm reluctant to say definitively that that's the answer (there really isn't an answer to the question as written).
What is the minimum amount of energy needed to start a chemical reaction?
activation energy ( I know it is right because it is in my science book)
Does endothermic have high or low activation energy?
An endothermic reaction would not necessarily have either a high or low activation energy; it could be either and would depend on the reactants. Also, the activation energy alone does not determine if a reaction is endothermic or exothermic; a low or high activation energy could be part of an endothermic or exothermic reaction, again depending on the reactants.
Does endothermic have a high or low activation energy?
An endothermic reaction would not necessarily have either a high or low activation energy; it could be either and would depend on the reactants. Also, the activation energy alone does not determine if a reaction is endothermic or exothermic; a low or high activation energy could be part of an endothermic or exothermic reaction, again depending on the reactants.
