0
Cement is the mixture of tricalcium silicate, dicalcium silicate, tricalcium aluminate, tetracalcium aluminoferrite and gypsum. Cement is mixed with water, the silicates and aluminates in the cement undergo a chemical reaction, the resulting hardened mass is formed.
2 Ca3SiO5 + 7 H2O ---> 3 CaO.2SiO2.4H2O + 3 Ca(OH)2 + 173.6kJ
Tricalcium silicate + Water--->Calcium silicate hydrate+Calcium hydroxide + heat
2 Ca2SiO4 + 5 H2O---> 3 CaO.2SiO2.4H2O + Ca(OH)2 + 58.6 kJ
Dicalcium silicate + Water--->Calcium silicate hydrate + Calcium hydroxide +heat
Wiki User
∙ 14y ago
Wiki User
∙ 14y agoEvaporation of water..
Add your answer:
Earn +20 pts
What changes occur when a chemical reaction?
Changing temperature, density and pressure occur when a chemical reaction.
What changes the rate of a chemical reaction or allows a chemical reaction to occur?
Heat?
How does the evolution of gas occur in a chemical reaction give an example?
This is a sign of a chemical reaction.
Why is a chemical reaction in cement so important to concrete?
to make it strong
Would a chemical reaction occur if calcium is added to magnesium chloride?
Any reaction occur.
Is making cement a chemical reaction?
yes
What comes out of a reaction?
Chemical changes occur after a chemical reaction.
What changes occur when a chemical reaction?
Changing temperature, density and pressure occur when a chemical reaction.
What changes the rate of a chemical reaction or allows a chemical reaction to occur?
Heat?
Is cement recyclable?
No, cement is not recyclable.Because when it is mixed with water chemical reaction takes place and gains strength and hardens.The hardened cement cannot be used as a recycled one because no chemical reaction takes place when mixed with water.
How does the evolution of gas occur in a chemical reaction give an example?
This is a sign of a chemical reaction.
Why is a chemical reaction in cement so important to concrete?
to make it strong
Where does a chemical reaction in a plant occur?
In the chemical installations of the plant.
Would a chemical reaction occur if calcium is added to magnesium chloride?
Any reaction occur.
Will a chemical reaction occur if a chlorine gas is dipped in a solution of potassium iodide?
no is not a chemical reaction
Can alcohol and sharpie cause a chemical reaction?
Any reaction occur.
The amount of energy needed to cause a chemical reaction to occur is the?
The amount of energy necessary to cause a chemical reaction to occur is called activation energy.
