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Why does temperature no change during energy phase change?
During a phase change, the heat transferred to a substance is used to break intermolecular forces (latent heat), and thus the temperature of the substance does not change. The opposite also occurs: heat is transferred from a substance during a phase change without a decrease in temperature as intermolecular bonds form.
What statement describes the phase change that occurs when dry ice is place in an open container at room temperature?
sublimation
Which statement describes the phase change that occurs when dry ice is placed in an open container at room temperature?
Dry ice undergoes sublimation, an exothermic change, at room temperature.
Consider the phase diagram below What phase change occurs as the temperature of the sample at 3 atm is raised from -90ºC to -50ºC?
That depends on what material you are talking about.
What is meant by the term thermochromic?
this is the dramatic, reversible colour change that occurs when a material is melted or dissolved in a solvent, it is a phase change not a temperature effect despite its name.
What describes the phase change that occurs when dry ice is placed in an open container at room temperature?
the phase change is from solid into gas,and this phase change is called sublimation.
Why does temperature no change during energy phase change?
During a phase change, the heat transferred to a substance is used to break intermolecular forces (latent heat), and thus the temperature of the substance does not change. The opposite also occurs: heat is transferred from a substance during a phase change without a decrease in temperature as intermolecular bonds form.
Freezing is the phase change that occurs when a changes into a?
Freezing is the phase change that occurs when a liquidchanges into a solid.
What happens to temperature during a phase change?
Temperature is constant during a phase change.
What statement describes the phase change that occurs when dry ice is place in an open container at room temperature?
sublimation
What phase change occurs as the temperature of the sample at 3 ATM is raised from -90ºC to -50ºC?
This depends on the type of sample.
Which statement describes the phase change that occurs when dry ice is placed in an open container at room temperature?
Dry ice undergoes sublimation, an exothermic change, at room temperature.
Is the change of phase from a liquid to a gas at any temperature?
Each element and compound has its own temperature at which the phase change from liquid to gas (evaporation) occurs. For instance, the evaporation of water occurs at 100oC, whereas the same for (liquid) oxygen is -182.96oC. Some substances sublimate, i.e. that change from solid to gas without going through the liquid state/phase first; e.g. (solid) carbon dioxide.
Consider the phase diagram below What phase change occurs as the temperature of the sample at 3 atm is raised from -90ºC to -50ºC?
That depends on what material you are talking about.
What happes to particles in a substance when the substance's temperature increases?
As temperature increases in a substance, the component particles become more energetic and eventually a phase change occurs.
What do you think will happen to the temperature of a substance during a phase change?
Typically, the temperature doesn't change during a phase change.
What is meant by the term thermochromic?
this is the dramatic, reversible colour change that occurs when a material is melted or dissolved in a solvent, it is a phase change not a temperature effect despite its name.
