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If you think to lattice energy the value is 789 kJ/mol.
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∙ 9y ago
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Are lattice and cohesive energies same?
Lattice energy is energy required to separate ions to infinite distance with no more interaction. Cohesive energy is energy required to separate atoms to infinite distance with no more interaction.
Can all compounds be separated into their constituent elements?
Yes, but the process is not always easy. In some case a lot of energy might be needed. For example, electrolysis can separate Na and Cl from NaCl but it has to be done at high temperatures using molten NaCl.
NaCl is an electrolyte and sugar is a non-electrolyte what is the reason?
aq. solution of NaCl is dissociated into its respective ions That is sodium cation & chloride ion, the electrostatic force of attraction b/w the ions is overcome by hydration energy but in case of sugar which contains sucrose contains only covalent bonds,which do not break up by hydration energy.
Is clay cohesive?
Yes the particles of clay stick together when not suspended in water- this is what makes it cohesive, however when in water the clay particles separate and so can be held in suspension with almost nul energy!
What is the definition of enthalphy?
The lattice energy of an ionic solid is a measure of the strength of bonds in that ionic compound. It is usually defined as the enthalpy of formation of the ionic compound from gaseous ions and as such is invariably exothermic. The concept of lattice energy has initially been developed for rocksalt-structured and sphalerite-structured compounds like NaCl and ZnS, where the ions occupy high-symmetry crystal lattice sites. In case of NaCl, the lattice energy is the energy released by the reaction
Is water cohesive or adhesive?
Cohesive
What is 0.45 NACL?
.45 what? Grams? in that case its 0.45 grams of salt
Does NaCl has least binding energy?
If you think to lattice energy this is 789 kJ/mol for sodium chloride.
Why do sugar dissolve faster then salt in water?
For dissolving any solute the solvation energy of the solvent has to be more than the lattige energy of the solute. In this case the lattice energy of Nacl[salt] is more than that of sugar. Hence it takes more time to dissolve in water. ---- Akashraj Ghosh.
What is salt and how does it form?
Salt is sodium chloride, NaCl. Salts are the products of an acid/base reaction; in this case: NaOH + HCl = NaCl + H2O
Energy released when a salt is formed from gaseous ions?
For sodium chloride (NaCl) this energy is -181,42 kJ/mol.
Why NaCl is required for TBST?
Because the sodium chloride solution in this case is isotonic.
