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Sketch a phase diagram for water and label the melting point and boiling point at 101.3kPa?
explain how the student could now us the thermistor as a thermometer
What is the phase of the mixture of water and salt?
Water and salt form a solution in the liquid phase.
What is the liquid phase of water?
That's it -- water. The stuff that comes out of a tap. Ice is the solid phase Water vapour is the gas phase
What phase is most of Earth's water found in?
Most of Earth's water is found in the liquid phase.
What is the phase change that is the reverse of deposition is?
Deposition is a phase change in which a gas turns into a solid without passing through the liquid phase. An example is frost forming on the ground, going from water vapor straight to ice.
How do you explain why phase changes are reversible?
explain why phase changes are reversible for solid to liquid and gas to liquid
When water changes into water vapor it is called what?
When water turns into water vapor it goes through a phase change. The water uses all the energy gained not to increase heat, but turn into a gas. The name for this phase change is evaporation, or vaporization.
If the water continued to heat what would be its next phase change?
When water reaches its boiling point (212oF), its phase changes to gas through the process of evaporation.
How do you know explain the electrical conductivity of sodium chloride only as melt and in water solution but not in solid phase?
Sodium chloride in liquid phase and sodium chloride in water solution are electrolytes, containing ions Na+ and Cl-.
What does an ice cube go through when it is melting?
The bonds between water molecules are weakened.
How can the law of conservation of matter be demonstrated?
When ice melts, its mass doesn't change. It just goes through a phase change and becomes water. Again, when water evaporates, it goes through a phase change and becomes water vapor. The conservation of mass is hence proved.
The speed at which a wave travels through water or other medium?
Phase velocity.
Does water or juice evaporates faster?
Water. It is the most simple liquid there is and goes through phase change so very easily!
What is the speed at which a wave travels through water or other medium called?
The speed at which a wave passes through water or other medium is called phase velocity.
What is gained by the upward thrust of the water?
Buoyancy is gained.
Sketch a phase diagram for water and label the melting point and boiling point at 101.3kPa?
explain how the student could now us the thermistor as a thermometer
The water on planet earth recycles all the time-how would you explain that?
yes
