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Describe the energy change associated with ionic bond formation and relate it to stability?
Wiki User
∙ 12y ago
The formation of ionic compounds from positive and negative ions is exothermic. The attraction from positive and negative ions form a more stable system with a lower engergy than the individual ions. (Based on assumptions and help from my Chemistry book.)
Wiki User
∙ 12y ago
Wiki User
∙ 12y agoI <3 Evan and storm!!
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Do ducks get tired of flying?
Yes, that is why they change position in the flight formation, to take some of the wind resistance off.
Describe keevan's struggle to reach the hatching ground?
He struggles to get out of bed, change his clothes and get to the ground but, he doesn't give up. 7th period English same book!! Ughh English is hard!!
What animals do not change color?
There are a variety of animals with an aversion to artificial pigments, being associated in many circles with trying to gain an evolutionary advantage based on fraud. I believe the Peacock Association has published a manifesto regarding the use of dye by their species. They're one species of animal who for certain don't dye, for it was promptly banned by those with the most colorful tail feathers and in such haste that would seem out of this world by 110% of bureaucrats.
What are metamphosis?
A transformation, as by magic or sorcery.A marked change in appearance, character, condition, or function.Biology. A change in the form and often habits of an animal during normal development after the embryonic stage. Metamorphosis includes, in insects, the transformation of a maggot into an adult fly and a caterpillar into a butterfly and, in amphibians, the changing of a tadpole into a frog.Pathology. A usually degenerative change in the structure of a particular body tissue.
Is respiration in animals a reversible change or irreversible change?
No, it isnt. There are chemical reactions while breathing.
What best describe the enthalpy of formation of a substance?
The enthalpy of formation of a substance is the amount of energy that was put in or evolved from the making of that substance from the individual elements.
What are word equations to describe a chemical change?
colour, clarity, solid formation, gas formation, release of energy
Stability and change in human development?
Stability and change are huge in human development. Stability gives the human population something to hold onto while change makes it possible to keep from overpopulating the Earth.
Who is responsible for the formation of troops during a battalion change?
change of responsibility formation
Who is responsible for the formation of the troops during a battalion change of responsibility?
change of responsibility formation
Who is responsible for formation of troops during battalion change of resposiblity?
change of responsibility formation
What are some clues that an object has undergone a chemical change?
Color change, precipitate formation, gas formation, temperature change
Why........Give a everyday example of a chemical reaction Describe the signs that a reaction has taken place?
* digestion is a chemical reaction.* Signs of chemical reactions may be: - Gas release - Formation of a precipitate - Change of color - Change of odor - Change of pH - Change of aspect - Change of viscosity - Change of the temperature - Visible formation of new compounds - Change of the state of the matter - A violent reaction with explosion or fire - Bubbling - Emitting a sound - Emitting a light
What are indicators of a chemical change?
Things that can indicate a chemical change has occurred includeChange in colorRelease or absorption of energy (light, heat, etc.)Formation of gasFormation of precipitationIn chemical changes, the composition of the substance changes, and it is often difficult to reverse the process.
What are 3 list of chemical change?
You know a chemical change happened if: -A change in color -Formation of a precipate (a solid) -Formation of a gas
What is photostability?
stability towards photochemical change
What are the signs of chemical change has occurred?
change in temperature formation of a precipitate color change formation of a gas disappearance of a solid new odor
