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An indication that energy is given off in a chemical reaction is shown by an?
Wiki User
∙ 11y ago
release of an odour from the solution
Wiki User
∙ 11y ago
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Energy is the energy needed to start a chemical reaction?
The energy needed to statr a chemical reaction is the 'Activation Energy' , which is given the symbol (Ea).
What is the term for the amount of energy that needs to be added for a chemical reaction to start?
What term refers to the amount of energy needed to begin a chemical reaction
What two kinds of energy changes can take place during a chemical reaction?
Two types of energy changes that can occur in a chemical reaction are (1) endothermic and (2) exothermic. Endothermic is where energy is added to the system and exothermic is where energy is given off by the system.
A change of state where energy is given off?
Endothermic Reaction. Exothermic is a chemical reaction in which energy must be provided.
How do catalyst affect a chemical reaction?
Adding a catalyst will make the reaction happen faster because the catalyst makes the Activation Energy (the energy required for the reaction to take place) to lower. Meaning more molecules can acquire this lower number of energy. A chemical reaction that involves a catalyst is a special type. A catalyst, in a given chemical reaction, is something that is both an input *and* an output of the reaction equation. What that means, practically, is that a small amount of catalyst is enough to process any amount of the other inputs. (More catalyst means that a given amount will be processed faster.)
Energy is the energy needed to start a chemical reaction?
The energy needed to statr a chemical reaction is the 'Activation Energy' , which is given the symbol (Ea).
In an exothermic reaction the difference between the chemical energy of the reactants and the chemical energy of the products equals?
The amount of heat given off by the reaction
What kinds of energy is given off in a chemical reaction?
nuclear
Energy is given off in the form of heat during a?
Chemical reaction.
Energy is given off in the form of heat during a what?
A chemical reaction
Is energy always given out when a chemical reaction takes place?
Yes.
What is a chemical reaction in which more energy is taken in than given off?
Exothermic Reaction
When you crush a glow stick and shake it the two liquids mix and the stick glows. Is this a chemical reaction and is energy being absorbed or given off?
In a glow stick a chemical reaction occur; the energy is released.
What is the term for the amount of energy that needs to be added for a chemical reaction to start?
What term refers to the amount of energy needed to begin a chemical reaction
What two kinds of energy changes can take place during a chemical reaction?
Two types of energy changes that can occur in a chemical reaction are (1) endothermic and (2) exothermic. Endothermic is where energy is added to the system and exothermic is where energy is given off by the system.
What is a chemical reaction in which more energy is given off than taken in?
Combustion, burning, releases more heat that is taken in to start the reaction.
A catalyst increases the rate of a chemical reaction by changing which of the following conditions?
A catalyst can speed up the rate of a given chemical reaction by lowering the activation energy required for the reaction to occur. However, the catalyst does not change the total free energy from reactants to products.
