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What key feature must a chemical equation have for it to be classified as a combustion reaction?
The product must be oxidized, i.e, Oxygen must be on the reactant side. Also, the reactant will form its oxide and also liberate heat energy. In case of hydrocarbons, Carbon Dioxide, water and heat energy will be liberated and it is a must when writing the chemical equation.
Why a catalyst is not considered a reactant or product in a chemical reaction?
If a substance is a reactant or product of a chemical reaction then, by definition, it cannot be a catalyst.
Are substrate and reactant the same or different?
Actually a substrate is a reactant. It undergoes a chemical reaction to yield a product. The difference is that a catalyst acts upon it to increment the rate of the reaction (by reducing the activation energy required).
Are endothermic reaction products stable?
It depends on a few things. If you mean thermodynamically stable, then no. The product of an endothermic reaction is higher in potential energy than the reactant(s) and will eventually release that energy and revert back (if it doesn't go on to some other product). If you mean kinetically stable, then maybe. It really depends on the relative energy of any intermediates formed in the conversion of reactant(s) to product(s). This relative energy is also known as activation energy. If the activation energy is high, then the product would be relatively stable. If the activation energy is low, then the product would not be stable.
What happens to the reaction rate when reactant particles are able to collide more often and with more energy?
The reaction rate increases when reactant particles are able to collide more often and with more energy.
What is a true of a catalyst?
The catalyst is not a reactant in a chemical reaction but contribute to the success of this reaction.
What liquid is a product of a combustion reaction?
H20 and CO2 along with energy
What key feature must a chemical equation have for it to be classified as a combustion reaction?
The product must be oxidized, i.e, Oxygen must be on the reactant side. Also, the reactant will form its oxide and also liberate heat energy. In case of hydrocarbons, Carbon Dioxide, water and heat energy will be liberated and it is a must when writing the chemical equation.
Why a catalyst is not considered a reactant or product in a chemical reaction?
If a substance is a reactant or product of a chemical reaction then, by definition, it cannot be a catalyst.
8. The ___ states that the TS‡ of a reaction resembles the structure of the species (i.e. reactant or product) to which it is closer in energy?
Organic Chemistry
In an endothermic reaction which has the lower energy?
Reactant
Is burning wood an example of an exergonic or endergonic reaction?
Yes, combustion is an example of an exergonic reaction. During combustion, energy is released- making it an exergonic reaction.
Are substrate and reactant the same or different?
Actually a substrate is a reactant. It undergoes a chemical reaction to yield a product. The difference is that a catalyst acts upon it to increment the rate of the reaction (by reducing the activation energy required).
Is Combustion is an example of an exergonic reaction.?
Yes, combustion is an example of an exergonic reaction. During combustion, energy is released- making it an exergonic reaction.
Are endothermic reaction products stable?
It depends on a few things. If you mean thermodynamically stable, then no. The product of an endothermic reaction is higher in potential energy than the reactant(s) and will eventually release that energy and revert back (if it doesn't go on to some other product). If you mean kinetically stable, then maybe. It really depends on the relative energy of any intermediates formed in the conversion of reactant(s) to product(s). This relative energy is also known as activation energy. If the activation energy is high, then the product would be relatively stable. If the activation energy is low, then the product would not be stable.
Define Q-value of a nuclear reaction?
Q- value is a deterministic factor for the possibility of nuclear reaction. it is the difference of rest masses of the product and reactant of the reaction, and if it comes positive this means some energy added for the reaction to happen, and if it comes negative then the reaction will progress with the emission of energy.
What type of reaction is C3H8 plus O2 ----- CO2 plus H2O?
It is a combustion reaction, which is a reaction in which a substance combines with oxygen, releasing a large amount of energy in the form of light and heat.
