When a sodium atom transfers an electron to a chlorine atom, forming a sodium cation (Na+) and a chloride anion (Cl-), both ions have complete valence shells, and are energetically more stable. The reaction is extremely exothermic, producing a bright yellow light and a great deal of heat energy.
TheThe volume should be added in dilute is 3.24L.
<h3>What is Molarity? </h3>
Molarity is the amount of a substance in a certain volume of solution. It is defined as the moles of solute per litre of a solution.
Molarity = no of moles / Volume (L)
Where the unit of Molarity is M or moles/ L .
We have given here ,
Molarity→5M
Volume →50 ml
Vol2→25.0 ml
weight of the K I is 3.05 g and molar mass of KI is 166 g/ mol.
M1V1=M2V2
M2= no of moles of KI / Volume
M2 = 3.05×1000/ 25×166
M2→ 0.73M
V2→5×50×1000/ 0.73
V2→ 3.24 L
The volume of the solution will be 3.24 L.
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Answer:
d. The acid is likely to eat through the can.
Explanation:
Aluminium is a metallic element found in group 3 of the periodic table. Aluminum is a very reactive metal owing to the fact that it reacts with almost every substance it comes in contact with e.g air, acids, bases etc.
In this question where Derek stores his Hydrochloric acid (HCl) remnant, after an experiment, into a can made of aluminum. What will happen is that the acid is likely going to eat through the can. This might occur gradually but will eventually. Aluminum protects itself from further reactions by forming a layer of Aluminum oxide (Al2O3) when it reacts with air.
This is what keeps the reaction with HCl gradual but the acid will eventually permeate the layer and corrode the aluminum can by reacting with the aluminum.
Answer:
We know that kinetic energy is one of the forms of internal energy, so the release of heat from an object causes a decrease in the average kinetic energy of its particles.
