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When you melt butter in a pan is it a physical change that is releasing energy?
When butter melts in a pan, it undergoes a physical change as it transitions from a solid to a liquid state. This process absorbs heat energy rather than releasing it, as the heat is required to break the molecular bonds holding the solid structure together. Therefore, while melting is a physical change, it does not release energy; instead, it requires energy input to occur.
When heat is absorbed is it a chemical change?
No. Rather released. As during the physical changes in the states of matter, there is breaking of bonds involved. Whenever bonds are broken, the atoms of that matter come closer and energy they give out is more as compared to energy taken while breaking bonds. Hence, Physical changes at the level of states of Matter are always Exothermic i.e. RELEASING HEAT.
When a firecracker explodes giving off light and heat and breaking the wrapper into many pieces is that a physical change chemical change or both?
This is both a physical and chemical change. The explosion involves the release of energy (heat and light), which is a chemical change due to the breaking of chemical bonds. The breaking of the wrapper into many pieces is a physical change as it does not involve any change in the chemical composition of the materials.
Is energy change a chemical or physical change?
Conduction of energy is a physical change.
Is releasing energy physical or chemical?
It can be either. A hot cup of water, which just sits and becomes cooler, is releasing heat energy and if it is outside in really cold weather it will freeze. This is just a physical change. Burning oil, paper, wood, coal, any substance like those, releases heat energy also, but these are all chemical changes.
Chemical change releasing energy in cells?
respiration
Which change results in a releasing of energy?
Energy is released when chemical bonds are formed.
Is energy a part of a physical or chemical change?
energy is part of a physical change
When energy leaves a substance what kind of change is that?
Energy loss is normally associated with a lowering of temperature and is a physical change. However, it can be caused by many other things such as nuclear change or chemical change, both of which are very different from each other and from temperature change.
Oxidizing food for energy-physical change?
When food is oxidized for energy in the body, it undergoes a chemical change rather than a physical change. Oxidation involves the breaking down of molecules to release energy, which is a fundamental process in our metabolism. This process transforms the chemical energy stored in food molecules into a form that the body can use for various biological functions.
An energy releasing process that does not require oxygen is?
Fermentation is an energy releasing process that does not require oxygen. Through fermentation, cells can produce energy without the presence of oxygen by breaking down sugars into simpler molecules and generating ATP.
Do physical changes involve change in energy?
Yes, physical changes involve a small change in energy.
