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How is energy involved in a chemical reaction?
Activation energy is needed to start a chemical reaction. This energy is used to join the reactants together or break them apart. If a reaction is exothermic then it gives energy out. If it is endo thermic then the reaction takes energy in.
What is the approximate value for the thermic effect of a 2500 kcalorie diet?
The thermic effect of food is typically around 10% of total calorie intake. For a 2500 calorie diet, the approximate thermic effect would be around 250 calories.
What happens in a exothermic reaction?
In an exothermic reaction, heat is released to the surroundings. This typically results in an increase in temperature, and the surroundings feel warm. The reactants have higher energy than the products, and the reaction is often spontaneous.
What is an example of a decomposition reaction in nature?
The decomposition of hydrogen peroxide into water and oxygen gas is an example of a decomposition reaction in nature. This process occurs spontaneously over time when hydrogen peroxide breaks down into its simpler components.
What are the additive nature of heats of reaction?
The additive nature of heats of reaction refers to the principle that the total heat change for a chemical reaction is the sum of the heat changes for individual steps in a reaction pathway. This concept is rooted in Hess's law, which states that the total enthalpy change for a reaction is the same regardless of the number of steps taken to complete the reaction, provided the initial and final conditions are the same. This allows for the calculation of the heat of reaction for complex processes by breaking them down into simpler steps whose heats of reaction are known.
What is released into the surrounding during an exothermic reaction?
Heat, which is why it's called an exo(outside)thermic(heat) reaction
What produces energy when burnt in an engine?
A thermic reaction resulting from the use of a form of fuel.
When the products of a reaction are hotter than the reactant's is it exodthermic or endothermic?
guess it is endo thermic
Exothermic reaction reases what kind of energy?
'Thermic' means heat. Thus an 'exothermic' reaction produces heat, while an 'endothermic' reaction absorbs heat.
What is Thermofused?
Thermofusing is the joining of two pieces of metal by means of a thermic reaction - as opposed to welding them. A thermic reaction is so hot, that it melts the ends of the pieces of metal to be joined (it's commonly used to join lengths of rail track together). Welding only heats the welding rod - not the surfaces to be joined.
What is Thermic Fluid?
Thermic fluid is a hot oil
What type of reaction is it when energy is released?
Exothermic, generally. Exo- is out, -thermic refers to heat energy. You could have an endothermic reaction with other energy released, say radiation or work, but it is less common.
Will cement keep heat in?
YesDue to the presence of Bogue's components at the time of hrdration heat is evolved.It is an exo-thermic reaction reaction.Hydration is a continuous process
What is Thermic Radiation?
IR
How is energy involved in a chemical reaction?
Activation energy is needed to start a chemical reaction. This energy is used to join the reactants together or break them apart. If a reaction is exothermic then it gives energy out. If it is endo thermic then the reaction takes energy in.
In a chemical reaction the reaction must do what?
The reaction must change the chemical nature of reactants.
What is the approximate value for the thermic effect of a 2500 kcalorie diet?
The thermic effect of food is typically around 10% of total calorie intake. For a 2500 calorie diet, the approximate thermic effect would be around 250 calories.
