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When water freezes, rigid hydrogen bonds between water molecules are formed.
Each Oxygen atom in the ice lattice has 4 bonds. 2 covalently bonded hydrogen atoms, and 2 hydrogen bonds ('H-Bonds'). These hydrogen bonds are slightly longer than the covalent bonds, and hold the H2O molecules apart.
When the ice melts, the rigid hydrogen bonds collapse and molecules move closer together. Normally when solids melt, the molecules move slightly further apart, and hence the liquid is less dense than the solid.
What else can I help you with?
What happens to water molecules to cause adhesion to occur?
You think probable to capillarity.
What type of molecules float in water?
Non-polar molecules are more likely to float in water because they are hydrophobic (water-repelling) and do not readily mix with water. Examples include oil, fats, and waxes. Due to the lack of polarity, these molecules are less dense than water and tend to float on its surface.
What happens to water molecules when made into fog?
The water molecules remain unchanged.
In which phase of water can the molecules of water flow over each other?
Ice can float on liquid water.
Why kerosene float on water?
Kerosene is less dense than water, causing it to float on the surface. This is due to the difference in their molecular structures and the way their molecules interact with each other. The lighter kerosene molecules are unable to displace the heavier water molecules, leading to the kerosene floating on top.
What happens to water molecules to cause adhesion to occur?
You think probable to capillarity.
What type of molecules float in water?
Non-polar molecules are more likely to float in water because they are hydrophobic (water-repelling) and do not readily mix with water. Examples include oil, fats, and waxes. Due to the lack of polarity, these molecules are less dense than water and tend to float on its surface.
What happens to water molecules as water evaporates?
As water evaporates, water molecules at the surface gain enough energy to break free from the liquid phase and enter the gas phase. These molecules become water vapor and move away from the liquid surface, resulting in the overall decrease in the liquid water level.
How do things float?
things float because they are less denser then the water. second things do not float, the molecules from the water support the molecules from the thing on the water. that is how something heavy can float. it just has to be boyent meaning it is spread out enough so there is more water molecules to hold it up. if you mean in the air it is the same concept.
What happens when you place an ice cube in a beaker of water does it float or sink?
float dua
What happens to an object in water if its density is less than that of water?
it will float
What happens when an object is placed in water?
it will sink of it will float.
What happens to water molecules when made into fog?
The water molecules remain unchanged.
What happens to the water molecules after the water flows into the icemaker in your freezer?
The molecules freeze.
What happens to water molecules after the water flowes into the icemaker in your freezer?
The molecules freeze.
In which phase of water can the molecules of water flow over each other?
Ice can float on liquid water.
Which phase of water can the molecules of water flow over each other?
Ice can float on liquid water.
