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What is laten heat?
"Latent heat" refers to the heat energy absorbed or released during a change of state without a change in temperature. For example, when ice melts into water, heat is absorbed from the surroundings without a rise in temperature, which is the latent heat of fusion. Similarly, when water vapor condenses into liquid water, heat is released without a decrease in temperature, known as the latent heat of condensation.
How do you know if the heat is absorbed or released?
Boiling does require the liquid to be absorbing heat--large amounts at the point of transition from liquid to gas. Obviously, in the real world, some of this heat is being released simultaneously, but more must be absorbed than is released for boiling to continue.
What is the two states of heat?
The two states of heat are latent heat and sensible heat. Latent heat is the heat absorbed or released during a change of phase, such as melting or boiling. Sensible heat is the heat exchange that causes a change in temperature without a change in phase.
WHAT IS HEAT OF TRANSFORMATION?
Heat of transformation is the amount of heat absorbed or released during a phase change of a substance, such as melting, freezing, vaporization, or condensation. It is the energy required to change the state of a substance without changing its temperature.
What is the formula for calculating heat capacity and how is it used in determining the amount of heat absorbed or released by a substance?
The formula for calculating heat capacity is Q mcT, where Q represents the amount of heat absorbed or released, m is the mass of the substance, c is the specific heat capacity of the substance, and T is the change in temperature. This formula is used to determine the amount of heat absorbed or released by a substance by taking into account its mass, specific heat capacity, and the change in temperature it undergoes.
What is thermochemical analysis?
This is the study of heat released/absorbed during chemical reactions.
Is heat a form of energy released during a chemical reaction?
Yes, heat is often released or absorbed during a chemical reaction. This is because chemical reactions involve the breaking and formation of chemical bonds, and the energy difference between these bonds is released or absorbed in the form of heat.
What is the difference between the heat of reaction and the heat of combustion?
The heat of reaction is the amount of heat released or absorbed during a chemical reaction, while the heat of combustion specifically refers to the heat released during the combustion of a substance with oxygen.
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 a calorimeter a device that you can put into a solution and measure the heat that is released not absorbed?
Yes, a calorimeter is a device used to measure the heat involved in chemical reactions or physical changes. It can be used to measure both heat released and absorbed during a process.
What is it called when absorbed light energy is released by matter?
Example for light energy is absorbed or released, Heat is released and absorbed, electrical energy absorbed or released...
What is the bomb calorimetry equation used to calculate the heat released or absorbed during a chemical reaction?
The bomb calorimetry equation used to calculate the heat released or absorbed during a chemical reaction is Q mcT, where Q is the heat energy, m is the mass of the substance, c is the specific heat capacity, and T is the change in temperature.
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).
How can I use the heat of dissolution calculator to determine the energy released or absorbed when a substance dissolves in a solvent?
To use the heat of dissolution calculator, input the mass of the substance and the solvent, along with their respective heat capacities. The calculator will then calculate the energy released or absorbed during the dissolution process.
What do you call the heat energy that is released or absorbed during a change of state of water?
The heat energy released or absorbed during a change of state of water is called latent heat. This energy is used to break or form intermolecular bonds without changing the temperature of the substance.
What happens to heat during a change of starte?
During a change of state, such as melting or boiling, heat is either absorbed or released. When a substance changes from a solid to a liquid or from a liquid to a gas, heat is absorbed to break the intermolecular forces holding the molecules together. Conversely, when a substance changes from a gas to a liquid or from a liquid to a solid, heat is released as the intermolecular forces are strengthened.
