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Water is the best solvent for dissolving urea due to its polar nature, which facilitates the formation of hydrogen bonds with urea molecules. Urea is highly soluble in water, with solubility increasing with temperature. Other polar solvents, such as methanol or ethanol, can also dissolve urea but are not as effective as water.
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Is Ca OH 2 soluble?
Calcium hydroxide (Ca(OH)2) is sparingly soluble in water, meaning only a small amount will dissolve. It forms a saturated solution that contains some dissolved Ca(OH)2 and some undissolved solid.
How many kg of h2o must be added to 75.5 g of ca(no3)2 to form a 0.500 m solution?
To determine the amount of water needed to prepare a 0.500 m (molal) solution of Ca(NO₃)₂, first, calculate the number of moles of Ca(NO₃)₂ in 75.5 g. The molar mass of Ca(NO₃)₂ is approximately 164.10 g/mol, yielding about 0.460 moles. For a 0.500 m solution, you need 0.460 moles of solute per kg of solvent, which means you should add 0.460 kg of water (or 460 g) to achieve the desired molality.
What is the maximum amount of calcium sulfide that will dissolve in a 0.140 M calcium acetate solution is?
To determine the maximum amount of calcium sulfide (CaS) that can dissolve in a 0.140 M calcium acetate solution, we must consider the common ion effect due to the presence of calcium ions (Ca²⁺) from calcium acetate. The solubility of CaS will be reduced because of the increased concentration of Ca²⁺ ions, which shifts the dissolution equilibrium to the left. Without specific solubility product (Ksp) data for CaS, we cannot calculate an exact amount, but we know it will be significantly lower than its solubility in pure water.
When 10kg of quick lime is dissolved in 30l of water so why the water started boiling even when it is not being heated?
When CaO is put into water it does not dissolve. It reacts with the water to form Ca(OH)2 and releases heat (this is an exothermic reaction) The heat of reaction boils the water.
Periodic table for Ca?
Ca stands for Calcium.
What is the best solvent for removing CA glue?
Acetone is the best solvent for removing CA glue.
What is the best method for safely removing CA glue using a solvent?
The best method for safely removing CA glue using a solvent is to use acetone. Acetone is a strong solvent that can effectively dissolve CA glue without damaging the surface it is applied to. Make sure to use acetone in a well-ventilated area and wear gloves to protect your skin.
Can you mix calcium chloride with urea?
It is not recommended to mix calcium chloride and urea together as they can form a complex chemical reaction that may release toxic gases. Additionally, mixing these two substances may reduce the effectiveness of urea as a fertilizer. It is best to apply calcium chloride and urea separately according to their intended use.
Will Ca dissolve in water?
No, calcium (Ca) metal will not dissolve in water on its own. However, when calcium reacts with water, it forms calcium hydroxide and hydrogen gas.
Does carbon dissolve in carbon disulphide?
No, and I even can't think of any solvent for carbon black, graphite or diamond at all. But who knows, maybe the next question might be: What is a possible solvent for any allotrope of carbon?
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When precipitating calcium oxalate what is the purpose of adding urea?
Urea is added when precipitating calcium oxalate to increase the solubility of the calcium oxalate crystals. This helps to prevent the formation of large, dense crystals that can be difficult to filter and wash. By adding urea, smaller and more easily filterable crystals are formed.
What two most abundant components dissolve in seawater?
Chlorides salts of Na, Mg, Ca.
Which is best ca or acca?
In accounting, CA
Is a suspension a mixture or a compound?
Ca is the chemical symbol for calcium, an element. It is an alkali metal with atomic number 20. ------------------------------------------- The above is true, however if the element Ca is present in a solution then it will be present as part of an Ionic compound in solution, note a solution is not a mixture, element or compound, it is a SOLUTION. An insoluble compound of Ca could be present in liquid, in which case you would have a suspension. A suspension is a mixture.
What is best course in diploma engineering?
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What is best course in diploma?
I prefer you best CA and ACCA COURSE Institute 41 – T, Gulberg II, Lahore For Contact : 03018410196 PAC Professional Excellence is the Best Institute for CA and ACCA in Lahore, Pakistan. Explore online courses of CA and ACCA. Online CA Classes CA in Lahore ACCA and CA in Lahore CA Institutes in Lahore CA Pakistan Best CA in Pakistan ACCA Pakistan CAF Subjects, CFAP subjects CA Subjects Best faculty for CA. info@pac.edu.pk pac.edu.pk
