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2006-06-30 04:04:37 · 9 answers · asked by Anonymous in Science & Mathematics Other - Science

9 answers

Your question is not specific! There are so many "chemical changes", which one are you speaking of? Sometimes, nothing happens, and, therefore, nothing is released! Therefore, your question needs qualification! Which chemical change?

2006-06-30 04:45:03 · answer #1 · answered by Anonymous · 0 0

When a chemical change occurs, energy is transferred. The total energy of a system and its surroundings remains constant, although the energies of the individual components might change. For example, when sunlight hits an object, the energy is transferred to the electrons, moving them to a higher energy level. Since higher energy levels are more unstable, the electrons will fall back to lower energy levels, releasing the energy as photons. Or, in a chemical reaction, energy can be released or absorbed in the breaking and forming of chemical bonds, and that energy is transferred with the environment in the form of heat. Energy is neither created nor destroyed; it simply takes on different forms.

2006-06-30 04:40:02 · answer #2 · answered by Sara D 1 · 0 0

First off, energy doesn't change. It is however transferable. Heat and light are the most typical reactions. In a chemical change, enery could produce both. Just look at fireflies/lightening bugs, or Salt and Ice. If you put a little salt on you skin nad set an ice cube on top, it will burn.

2006-06-30 04:43:04 · answer #3 · answered by SamanthaRae16 1 · 0 0

ok so I basically chanced in this. good relearned this is going to likely be better suitable. A chemical replace is a replace wherein one or better components grow to be completely new components with diverse homes. Examples of Chemical differences: shade replace, precipitate varieties(good), fragrance, absortation, skill replace, combustibility, etc. A rather replace happens on an identical time as a replace in a substance that does now not replace contained interior the id of the substance. Examples incorporate: melting factor, boiling factor, freezing factor, quantity of liquid, tearing paper, etc.

2016-12-08 14:16:21 · answer #4 · answered by ? 3 · 0 0

in a chemical reaction energy is used or produced depending on the activation barrier. for a reaction to occur it has to be energetically favorable so one that gives off a lot of energy is coupled to one that takes energy to get started.

2006-06-30 04:08:13 · answer #5 · answered by shiara_blade 6 · 0 0

It's released as heat or absorbs heat. Exothermic or endothermic reactions. Sometimes light emits. That's cool.

2006-06-30 04:07:24 · answer #6 · answered by bequalming 5 · 0 0

It depends is it an exothermic or indothermic change? Exothermic will give off heat. Indothermic will absorb heat.

2006-06-30 04:08:53 · answer #7 · answered by namsaev 6 · 0 0

energy transfer.

2006-06-30 04:07:39 · answer #8 · answered by CoolGuy 3 · 0 0

Remains the same

2006-06-30 04:17:48 · answer #9 · answered by Thewall 3 · 0 0

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