What is sublimation?
Transition from solid to liquid
Transition from solid to gas
Transition from liquid to gas
Transition from gas to solid
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Sublimation
Sublimation
There are many types or states of matter a person can conduct observations or case studies on, depending on the context, theme, and tone of the experiment, environment, or study. Sublimation is one of the intermediary actions a matter can take to transition to a different state of matter.
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What Is Sublimation?
Sublimation is the act of a substance transitioning or transforming from one state to another via the application of heat, physical change, pressure, chemical energy, etc. This act of transitioning only occurs when the matter changes from a solid state to a gas state. Sublimation is also an emotional defense mechanism, where the person transforms or converts negative feelings into positive ones to promote one’s emotional health.
How to Identify a Sublimation Reaction
A person can quickly identify when a specific element or compound transitions from one state to another by conducting a simple observation. The process is a quick physical change with easy-to-spot elements and characteristics.
Step 1: Identify the Reaction
A sublimation reaction is an endothermic reaction where the substance will absorb heat when the substance reaches a specific temperature and pressure. You must identify the reaction in the whole process and determine if it is an endothermic or exothermic reaction.
Step 2: Determine the Triple Point Pressure of the Matter
The matter has three basic states that the object can manifest itself. The triple point pressure is a property of matter, the base temperature and pressure where the matter will exist in all three states of matter.
Step 3: Check or Identify if the Environment has The Correct Pressure and Temperature
The triple point pressure allows matter to undergo the process of sublimation. You must check if the environment’s pressure and temperature can meet the conditions of the triple point pressure of the specific matter.
Step 4: Check if the Solid Matter Immediately Transforms into Gas
Sublimation only occurs when solid matter completely transforms into a gaseous state. If it transitions through liquid or other states of matter the process is not sublimations as it undergoes two different processes.
FAQs
Sublimation is a process that will change the solid state of matter into the gaseous state. The state of matter is a physical property or characteristic, which means that sublimation is a process of physical change, not a chemical change.
Is sublimation a chemical change?
Camphor is a solid compound that emits a strong scent, which can relieve pain and improve one’s respiratory functions. The tri-point pressure of camphor is moderately low, which allows it to easily sublimate into gas and help spread the camphor’s scent.
What is an example of sublimation in real life?
Yes, sublimation is an endothermic reaction, which means it needs heat or the application of heat to occur. This process cannot occur without the presence of both heat and pressure, which will instead cause the physical change to undergo a different direction.
Does sublimation require heat for the process?
Sublimation is the process of solid matter transitioning into its gaseous state or form due to the presence of both heat and pressure. Many real-life things can easily transition into the gaseous state through the act of sublimation. This means it is important for people to know how to identify and know the process of sublimation.
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Practice Test
Which of the following substances commonly undergoes sublimation?
Sodium chloride
Water
Ethanol
Iodine
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Which of the following processes is the reverse of sublimation?
Melting
Condensation
Deposition
Evaporation
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Which of the following is NOT an example of sublimation?
Snow turning directly into water vapor
Mothballs (naphthalene) disappearing
Ice cubes melting into water
Solid air fresheners shrinking
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What is the primary requirement for sublimation to occur?
High pressure
High temperature
Low pressure
Presence of a catalyst
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What is the term for the point where solid, liquid, and gas phases coexist in equilibrium?
Boiling point
Melting point
Triple point
Critical point
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Sublimation is used in which of the following industrial processes?
Freeze-drying of food
Smelting of metals
Crystallization of salts
Distillation of water
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Which phase transition occurs in dry ice when it sublimes?
Solid to liquid
Liquid to gas
Solid to gas
Gas to solid
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Which piece of laboratory equipment is commonly used to demonstrate sublimation?
Sublimation apparatus
Bunsen burner
Crucible
Pipette
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Which of the following substances can undergo sublimation at room temperature?
Sodium chloride
Sulfur
Ammonium chloride
Mercury
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