An allergy medicine is usually stored in a cabinet at the room temperature where it’s molecules move around each other. By mista
ke an intern transferred energy into the medicine after one hour the turn found the Medicine and noticed that it was liquid how were move the molecules moving when the intern found the medicine explain why the molecules were moving this way after the intern transferred energy into the medicine
The transferred energy by the energy will be converted into the kinetic energy of molecules. Which allow them to move more fastly then in solid.
<h3>Explanation:</h3>
In solid, molecule are moving but their motion is vibrational motion. They don't change their position. It means their kinetic energy is that much low to let them move freely.
But in case of liquid, molecules have much energy to move freely in the matter. Their bonds don't break, so the will be in liquid form.
This increase in kinetic energy is due to energy given by the internee.
<span>More surface area --> more molecules of the solute in contact with the solvent --> more chance for a solvent molecule to collide with the solute molecules --> dissolves faster
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At the eutectic composition, an alloy can solidify at a constant temperature : TRUE . this is because at eutectic composition the type of reaction that takes place there is invariant reaction in its thermal equilibrium
For effective dispersion strengthening, the dispersed phase should be needle-like, as opposed to round : FALSE. because the rounded shape will not cause a crack.
Intermetallic compounds are usually hard and brittle : TRUE. because Intermetallic compounds prevents dislocation movements and this makes them brittle and hard
For the effective dispersion and strengthening, the dispersed phase should be continuous : FALSE. this is because the dispersed precipitate must be small and not continuous
Stoichiometric intermetallic compounds exist over a range of compositions : FALSE
Faster solidification results in smaller interlamellar spacing : TRUE
