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Enthalpy
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In calculating the heat given off by a reaction in a calorimeter you must account for heat absorbed by?
In calculating the heat given off by a reaction in a calorimeter, you must account for heat absorbed by the surroundings, including the calorimeter itself, any water or solution in the calorimeter, and the air around the calorimeter that may be affected by the reaction. This ensures an accurate measurement of the heat released or absorbed by the reaction itself.
What is a reaction called in which heat energy is absorbed?
An endothermic reaction is one in which heat energy is absorbed from the surroundings. In these reactions, the products have more energy than the reactants. Examples include photosynthesis and the melting of ice.
What is an insulated device used for measuring the amount of heat absorbed or released during a reaction?
A calorimeter is an insulated device used to measure the heat absorbed or released during a chemical or physical reaction. This allows for the determination of the heat flow in a reaction, providing valuable information on the reaction's thermodynamic properties.
What is the difference between enthalpy and heat of reaction in a chemical reaction?
Enthalpy is the total heat content of a system, including both heat absorbed and released during a reaction. Heat of reaction specifically refers to the heat released or absorbed when a specific chemical reaction occurs.
Is an exothermic reaction one in which heat is transferred from the surroundings to the reactants?
No, an exothermic reaction is one in which heat is released to the surroundings, not absorbed from the surroundings. The reactants have higher energy than the products, causing the excess energy to be given off as heat.
What is a reaction in which heat is involved?
A reaction in which heat is produced is called exothermic. A reaction in which heat is absorbed (or one that produces cold) is called endothermic.
In calculating the heat given off by a reaction in a calorimeter you must account for heat absorbed by?
In calculating the heat given off by a reaction in a calorimeter, you must account for heat absorbed by the surroundings, including the calorimeter itself, any water or solution in the calorimeter, and the air around the calorimeter that may be affected by the reaction. This ensures an accurate measurement of the heat released or absorbed by the reaction itself.
What is a reaction called in which heat energy is absorbed?
An endothermic reaction is one in which heat energy is absorbed from the surroundings. In these reactions, the products have more energy than the reactants. Examples include photosynthesis and the melting of ice.
What is an insulated device used for measuring the amount of heat absorbed or released during a reaction?
A calorimeter is an insulated device used to measure the heat absorbed or released during a chemical or physical reaction. This allows for the determination of the heat flow in a reaction, providing valuable information on the reaction's thermodynamic properties.
What is the difference between enthalpy and heat of reaction in a chemical reaction?
Enthalpy is the total heat content of a system, including both heat absorbed and released during a reaction. Heat of reaction specifically refers to the heat released or absorbed when a specific chemical reaction occurs.
What is it called when heat is released?
When heat is released, it is called exothermic reaction. This type of reaction results in a decrease in temperature as energy is given off in the form of heat.
What kind of reaction ocurs when heat is absorbed?
This is an endothermic reaction.
What name is given to reaction which give out heat?
Such reactions are called Exothermic reactions.
Is an exothermic reaction one in which heat is transferred from the surroundings to the reactants?
No, an exothermic reaction is one in which heat is released to the surroundings, not absorbed from the surroundings. The reactants have higher energy than the products, causing the excess energy to be given off as heat.
How would you know if a reaction was endothermic or exothermic?
An endothermic reaction is one in which thermal energy, or heat, is absorbed. If heat is absorbed in the reaction process, it is endothermic. By monitoring the temperature of the reactants in a reaction, an observer could identify an endothermic reaction through observation of a decrease in the temperature.
What is the type of heat reaction which occurs when heat is given off by the reaction?
Heat is released during an exothermic reaction.
What does the enthaply of reaction measure?
The enthalpy of reaction measures the amount of heat absorbed or released during a chemical reaction at constant pressure. It indicates whether a reaction is exothermic (heat is released) or endothermic (heat is absorbed).
