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Concrete is a mixture.

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8y ago

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Does concrete weigh more when it hardens?

No. As the hydration process takes place after placememnt the water [weighing a little under 10#'s per gallon], Bleeds out to the surface and evaporates. This decreases the weight.


How does concrete set?

It dries, the water or liquid in it evaporates


At what height does water solidify into concrete?

Water does not solidify into concrete at any specific height. Concrete is a mixture of cement, water, and aggregates that hardens through a chemical process called hydration.


If eggs acan float in flour water why cant they float in concrete?

because is concrete and it frikin hardens dumb aasss


How much water evaporates from a cubic yard of concrete?

This depends on many factors.


What is the purpose of adding a curing compound to the concrete?

Curing is necessary for freshly cast concrete in order to maintain the moisture as the chemical constituents in cement react with water and heat evolves continuously until the setting process completes. The heat evolved during the setting of concrete is called heat of hydration, and this heat causes the water to evaporate. Proper and complete setting process is the most important phenomenon that imparts the desired strength to the concrete. If the freshly cast concrete is not cured, it develops cracks and also the chemical reactions will cease resulting in bad concrete.


Which has greater density wet or dry concrete?

Dry concrete has a greater density than wet concrete because the water content in wet concrete decreases its overall density. When the water in wet concrete evaporates during the curing process, the concrete becomes denser.


What is concrete . element compound mixture?

Concrete is a mixture containing cement, sand, gravel and water.


Can you melt concrete?

Concrete cannot be melted because it is made up of cement, water, and aggregates like sand and gravel. When exposed to high temperatures, the water in the concrete evaporates, causing the concrete to lose its structural integrity and strength, but it does not melt like metals.


When water and concrete mix are combined the material becomes warm and a hard solid forms so Is this a physical change or a chemical change?

The reaction between water and concrete is a chemical change because new substances are formed as a result of the mixing process. In this case, the components of the concrete react with the water to form a new compound that hardens into a solid material through a chemical reaction.


Is concrerte an element compound homogeneous heterogeneous?

Concrete is a heterogeneous mixture composed of cement, sand, gravel, and water. It is not an element or a compound.


Is steam a element compound or mixture?

Steam is a compound. It is actually water in the gaseous state.