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Why does ice change to water as energy is added at the melting point?
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What is the amount of thermal energy that must be added to change ice at the melting point completely into water?
About 333 joules / gram.
What is another way of describing a freezing point of change?
- Melting point change. ^.^
If enough energy is added to a solid it will change state and particles in the solid will?
When heating a solid to its melting point, the molecules in the solid began to move and slide past one another becoming a liquid.
What will happen to the melting point of ice if some common salt is added to it?
The melting point is lowered.
Is a melting points a physical or chemical change?
Melting point is a physical property, not a change.
What is the amount of thermal energy that must be added to change ice at the melting point completely into water?
About 333 joules / gram.
What is the phase change from liquid to solid?
solidifying or freezing, releasing energy to the environment.
Can heat be added to a solid liquid and gas without changing in teperature?
That is possible when there is a change of state. For example, if you have ice at its melting point, or a mixture of ice and water at its melting point, if you add heat, the energy will be used to melt the ice, not to increase the temperature.
What is a term to describe a physical or chemical change in which energy is absorbed?
melting point
Will the melting point of ice increase or decrease when salt is added on it?
The melting point of ice decreases when salt is added.
How does melting point of bromine change with external pressure?
Bromine, as many other materials gets a higher melting point when pressure is low [less energy is needed to set molecules free] and lower melting point when pressure is high [more energy needed].
What physical change occur at asubstance's melting point?
At a substance's melting point, none of the energy added goes into raising the temperature any more and all of it goes into breaking the bonds that hold the molecules in a solid so close and rigid. Energy added could come from a stove, for example. All of this energy goes into making the solid looser and breaking the bonds between the molecules so that the solid can become a liquid.
What is another way of describing a freezing point of change?
- Melting point change. ^.^
If enough energy is added to a solid it will change state and particles in the solid will?
When heating a solid to its melting point, the molecules in the solid began to move and slide past one another becoming a liquid.
What will happen to the melting point of ice if some common salt is added to it?
The melting point is lowered.
Is a melting points a physical or chemical change?
Melting point is a physical property, not a change.
Can the melting point of a substance change over time?
does the melting point of a substance change over time
