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What does the latent heat of vaporization represent?
The amount of energy required to turn a mole of a liquid into a gas
Which state changes require heat and which gives off heat?
Change from solid to liquid to gas require energy. Change from gas to liquid to solid emit energy.
Energy need to change a material from liquid to gas?
You can add heat and cause liquid to gasify. Or you can decrease the pressure in the system and cause liquid to gasify. Note that you may gasify liquid and leave suspended or dissolved solids behind. More heat or pressure may be required to convert these remnants to liquid and then gas.
What is a change of state in which energy is added as it changes state?
Solid --> Liquid. Liquid -> Gas. Solid --> Gas.
What is the latent heat of sublimation?
No. Latent heat of vaporization is defined as the energy required to VAPORIZE 1 kilogram of a liquid completely at its boiling point. Latent heat of sublimation is the energy required to SUBLIME 1 kilogram of a solid completely into a gas at constant temperature. They're different. Note that the temperatures should be constant during the processes.
What energy required to go from liquid to gas?
No. Energy is require to change it from liquid to gas. When water goes from gas to liquid it releases energy.
What is the energy required to go from liquid to gas called?
The latent heat of vaporization
What is specific latent heat of vaporisation?
Is the amount of energy required to change 1kg of liquid into gas with no temperature change.
During which three changes of state is energy absorbed?
cchemical change and energy change also the change of a gas to a liquid
What change release energy?
Gas to liquid change releases energy.
Which of the changes of state shown in the figure require an increase in energy answers?
Evaporation uses energy to change from a liquid to a gas. Melting uses energy to change from a solid to a liquid. Condensation releases energy to change from a gas to a liquid. Freezing releases energy to change from a liquid to a solid.
When energy is added to liquid what does it change into?
The liquid is changed in a gas.
When energy is added to a liquid and it changes into a gas it is called?
When enough energy is added to a liquid for it to change to a gas, the liquid has reached its _______________
Amount of energy required to charge from a liquid to a gas?
it depends
What is the name of the energy needed to change a substance from a liquid to a gas?
The energy needed to change a substance from a liquid to a gas is called the enthalpy (or heat) of vaporization.
What does the latent heat of vaporization represent?
The amount of energy required to turn a mole of a liquid into a gas
Which state changes require heat and which gives off heat?
Change from solid to liquid to gas require energy. Change from gas to liquid to solid emit energy.
