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Can you explain what happens to the particles of potassium chloride when they dissolve in the water?
when particles of KCl are put in water, they dissolve because KCl being a polar ionic compound, its ions separate and in aqueous solutions, water molecules surround these ions with the partially positive hydrogen ions closer to the chloride ions and the partially negative oxide ion towards the potassium ion but the electron cloud is bigger on the side of the chloride ion since it's more electronegative and the attraction between the hydrogen and the chlorine and between oxygen and potassium becomes stronger than that between potassium and chlorine hence the two ions [potassium and chloride] are pulled apart forming ions in the solution
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When ammonium chloride dissolves in a beaker of water the beaker becomes cold to the touch explain this phenomenon?
When the ammonium chloride dissolves in the water, it is an endothermic reaction. The energy for the reaction comes from the water. Since the water is losing energy, the temperature of the solution decreases, which in turn decreases the temperature of the beaker because of heat transfer.
Explain why acetyl chloride is hydrolyzed faster than benzoyl chloride?
Acetyl chloride is hydrolyzed faster than benzoyl chloride because the acetyl group is a smaller and more reactive group than the benzoyl group. The acetyl chloride molecule is more prone to nucleophilic attack by water molecules due to its higher electrophilicity, leading to faster hydrolysis compared to benzoyl chloride.
Explain why deaminase activity must be determined immediately following the addition of ferric chloride?
Deaminase activity must be determined immediately after adding ferric chloride because ferric chloride is an inhibitor of deaminase activity. The presence of ferric chloride may impact the accuracy of the deaminase activity assay, leading to unreliable results if not determined promptly.
How many potassium ions are needed to balance the charge of one sulfide ion Explain?
One potassium ion is needed to balance the charge of one sulfide ion. This is because potassium has a +1 charge and sulfide has a -2 charge. Therefore, one potassium ion with a +1 charge will neutralize the -2 charge of one sulfide ion, resulting in a net charge of 0.
Explain how electrostatic dust preciptators remove smoke particles from chimneys?
Electrostatic dust precipitators use an electric field to charge particles in the smoke as they pass through. The charged particles are then attracted to oppositely charged plates within the precipitator, causing them to stick to the plates and be removed from the smoke. This process effectively captures and removes smoke particles from the chimney emissions.
Will the solution of potassium chloride and water conduct electricity or not explain?
Yes, a solution of potassium chloride and water will conduct electricity. When potassium chloride (an electrolyte) dissolves in water, it dissociates into potassium ions and chloride ions which can carry electric current.
Do all solid particles dissolve in water explain your answer?
No, not all solid particles dissolve in water. Only particles that are polar or have ionic bonds will dissolve in water due to water's polar nature. Nonpolar particles, like oils and fats, will not dissolve in water because they are not attracted to water molecules.
Can you describe and explain the precipitates that form when potassium chloride reacts with silver nitrate?
When solutions of potassium chloride and silver nitrate dissolved in water are combined, they react to form the insoluble compound silver chloride and the slightly soluble compound potassium nitrate. Both compounds precipitate as white solids. The reaction looks like this: KCl (aq) + AgNO3 (aq) -> AgCl (s) + KNO3 (s)
How does a particle theory explain how a solute dissolves into a solvent?
You can use the particle theory to help explain what happens when solutes dissolve. The particle theory states that there are spaces between all particles. This means that, in a sample of water, there are many water particles, but also many empty spaces. When you look at sugar. The sugar dissolves, the sugar particles separate and mix with the water particles.
Why you are using K2Cr2O7 for chloride test explain reaction?
Potassium dichromate react with chlorides (adding sulfuric acid) and form chromyl chloride; this compound is released as specific red fumes. The reaction is: K2Cr2O7 + 4Cl- + 6H2SO4 --- → 2CrO2Cl2 + 2KHSO 4 + 4HSO 4-+3H2O
Explain why water is able to dissolve many ionic compounds?
+
Explain collision theory and discuss how it can be used to explain why powdered sugar will dissolve in water faster than a cube of sugar?
Collision theory states that for a chemical reaction to occur, reactant particles must collide with sufficient energy and proper orientation. In the case of powdered sugar versus a sugar cube, the powdered sugar has a much larger surface area exposed to the water, leading to more frequent and effective collisions between sugar particles and water molecules. This increased interaction allows powdered sugar to dissolve faster than a solid cube, where fewer surface particles are available for interaction with the solvent. Thus, the principles of collision theory help explain the difference in dissolution rates.
Explain what makes up diamond graphite and sodium chloride?
Sodium
Explain what is incorrect with a students thinking if he or she believes that stirring alone will allow more solute to dissolve in a saturated solution?
Stirring does not increase the solubility of a solute in a saturated solution. In a saturated solution, the maximum amount of solute that can dissolve has already been reached. Stirring only helps in evenly dispersing the solute particles within the solution, but it does not increase the amount of solute that can dissolve.
Will hydrogen chloride gas (HCl) dissolve in water Explain why.?
Hydrogen chloride, or hydrochloric acid (HCl), has two atoms, hydrogen and chlorine. The strengths these atoms have on the nearby electrons are quite different, ie they have different electronegativities. This therefore means that one atom has a stronger pull on the electrons than the other. This is known as a polar molecule. Water (H2O) is also a polar molecule, and when two polar chemicals are mixed, they will dissolve, so the HCl will full delocalise, and become two separate H+ and Cl- ions.
Use the particle theory to explain how sugar dissolves in water?
In the particle theory, sugar particles are surrounded by water molecules. As the water molecules move and collide with the sugar particles, they break down the attractive forces holding the sugar particles together, causing the sugar to dissolve. This process distributes the sugar particles throughout the water, creating a homogeneous solution.
Explain how a solute can dissolve in polar and nonpolar solvents?
=a polar solvent dissolves a polar solute, and nonpolar solvents dissolve nonpolar solutes. likes dissolve likes=
