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Water has hydrogen bonds that can hold a large amount of heat. These bonds are even stronger in ice. The electrons in the water molecules are slower as there is an absence of energy (heat ). That means that the electrons in the hydrogen will create a small but substantial bond as they loop around, making the already present hydrogen bond stronger. The molecules will become more compact and will result in ice formation. To weaken it, energy (heat) must be added to make these electrons spin faster and create a weaker bond between them. This will result in less compact water molecules (liquid water).
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When heat is supplied to a solid substance what happens to the energy?
The energy must be supplied to the solid so that it melts.
Does melting lose or gain energy?
Generally, melting is the process of turning from a solid to a liquid. It entails gaining energy.
How many joules of heat energy must be supplied to 21 g of water to raise the temperature of the water from 24 to 95 degrees Celsius?
21 grams through 71 degrees is 21x71 calories.
How is convection related to the rise and fall of wax in lava lamps?
The heat source typically heats up to high temperatures and this means solid wax lava lamps must melt first.
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.
When heat is supplied to a solid substance what happens to the energy?
The energy must be supplied to the solid so that it melts.
The heat of fusion for water is the amount of energy that must be absorbed for water to what?
Melt.
Is heat added or released during freezing?
This is latent heat. When a liquid freezes heat is released, and when it melts the same amount of energy must be supplied. Similarly when a liquid changes to a vapor, or when a vapor condenses, heat must be supplied or is released. Latent heat varies from one substance to another, and can be quantified as so many calories per gram or kilogram, you can find data in reference tables
What must be absorbed for a solid to melt?
They must gather close together until they can't bunch anymore and then they start to melt because they ran out of space.
Why does a desert cooler cool on a hot dry day?
Evaporation requires heat to supply the energy of vaporization. This heat is supplied by the unevaporated water, which must correspondingly cool.
What must be added to a solid to cause it to melt?
Heat must be added to a solid to cause it to melt. As the temperature increases, the solid gains enough energy to overcome the forces holding its particles together, causing them to move more freely and transition into a liquid state.
What must occur for a solid to melt?
Heat... Quite simpleTry it yourself, nothing cant melt without heat
Why the temperature does not rise during the process of melting and boiling though the heat energy is constantly supplied?
The energy must be applied to the phase change before it can heat the substance
What must be added to wax to melt?
a heat source.
What is the heat of fusion for water is the amount of energy that must be absorbed for water to?
Melt.
How does solids turn into liqiud?
You must melt the solid with heat
Does melting lose or gain energy?
Generally, melting is the process of turning from a solid to a liquid. It entails gaining energy.
