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When quicklime (calcium oxide) is added to water, it undergoes an exothermic reaction, forming calcium hydroxide (slaked lime). This reaction releases a significant amount of heat, causing the temperature of the water to rise. The heat generated is due to the strong bond formation between calcium ions and hydroxide ions as they interact with water molecules. This process is often used in various industrial applications due to the heat produced.
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How is limestone used in mortar?
Simple limestone, crushed can be used with sand as a mortar, but it is VERY slow in reacting after it has (moisture) set. If you use limestone from which the water of crystallization has been baked out = quicklime, then the reaction will take place more quickly, as the quicklime gradually forms new crystal bonds, including some with the sand (=silica). Portland cement has a similar but more powerful reaction, except VERY finely divided (=highly reactive) silica is added in the form of diatomaceous earth. Gypsum is also added to the mix and all is baked together. The reactions formed are complex calcium silicates and sulphates and carbonates, and take many years for their final form. This is greatly enhanced, by keeping the concrete wet covered for at least 7 days, and even 28 days is often used where maximum strength is needed. This is accomplished, by allowing the new crystals to fully form, which they will not do if the water is allowed to dry out. Silica has a high propensity to crystallize.
What does matter change into if heat is added?
Heat makes most things expand. Or in other words, heat makes matters less dense.(With the very known and remarkable exception of water, ice which will decrease in size when it becomes water and becomes more dense until it reaches 4 degrees Celsius, from which point on it will expand again.)Heat can make matters change state.Ice (solid) into water (liquid), water (liquid) into steam (gas).
What will happen if you mix clay and water?
If water is mixed with loam, its texture will become moist. Also, the water will go on top of the loam. Itcan drain the water well and absorb it.
Density of colored water?
The density of colored water will depend on various factors, such as the type and amount of dye used, as well as any additional solutes present in the water. In general, adding dye to water will slightly increase the density due to the added solute. The increase will be small, as dyes are typically added in very low concentrations.
Why does a rate of evaporation of a liquid decreases with increase in humidity?
For a given temperature and air pressure the amount of vapor that can be held in suspension is finite so as the the air becomes saturated with vapor there is less that can be added. In weather when it is raining there is very close to 100% humidity.
When a vegetable is placed in very salty water the vegetables becomes soft and collapses why does this happen?
when a vegetable is placed in very salty water, the vegetable becomes soft and collapses. Why does this happen?
When a vegetable is placed in very salty water vegetable becomes soft and collapses why does this happen?
Cause you added too much salt ans it is suppose to be oil you add to the water
When a vegetable is placed in very salty water the vegetable becomes soft and collapse. Why does this happen?
Cause you added too much salt ans it is suppose to be oil you add to the water
What is the pH of quicklime?
Quicklime, also known as calcium oxide, has a very high pH of around 12-13 when dissolved in water. Its alkaline nature makes it useful for applications such as neutralizing acidic soil or treating wastewater.
What letter is added to 'paper' to get a very poor person?
By inserting an A, paper becomes pauper.
A vegetable is placed in very salty water the vegetable becomes soft and collapses why does this happen?
when a vegetable is placed in very salty water, the vegetable becomes soft and collapses. Why does this happen?
When a vegetable is placed in very salty water the vegetable becomes soft and collapses . why does this happen?
when a vegetable is placed in very salty water, the vegetable becomes soft and collapses. Why does this happen?
When a vegetable is placed in very salty water the vegetable becomes soft and collapses when does this happen?
when a vegetable is placed in very salty water, the vegetable becomes soft and collapses. Why does this happen?
Why a vegetable is placed in very salty water the vegetable becomes soft and collapses. Why does this happen?
when a vegetable is placed in very salty water, the vegetable becomes soft and collapses. Why does this happen?
Why does a light bulb light up in salt water?
Water is a poor conductor of electricity but with Strong electrolytes added in it, it becomes a very strong conductor.Salt is a strong electrolyte.A large portion of the Solute(which is salt)exists as ions.
When a vegetable is placed in very salty water the vegetable becomes soft and collapses. Why does this happen?
The cells of the vegetable lose their water.
What happens to steam before it becomes water vapour?
Steam is water vapour - just a very hot form of it.
