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Chemical changes release energy?
Chemical changes can either absorb or release energy. When a chemical reaction releases energy, it is called an exothermic reaction. This means that the products of the reaction have lower energy than the reactants, and the excess energy is released in the form of heat or light.
Which state changes are exothermic and endothermic?
freezing is exothermic, melting is endothermic, evaporation is endothermic, condensation is exothermic.
What is the process of breaking lipids into smaller droplets?
The process of breaking lipids into smaller droplets is called emulsification. This typically involves the use of an emulsifier, which can help stabilize the mixture of lipids and water. Emulsification increases the surface area of lipids, making them easier to digest and absorb.
Why do some chemical reactions release heat while others absorb heat?
Chemical reactions release or absorb heat based on whether they release or require energy to break or form bonds between atoms. Reactions that release heat are exothermic, as they release energy, while reactions that absorb heat are endothermic, as they require energy input.
Which property of water allows it to resist rapid changes in temperature?
Water's high specific heat capacity is the property that allows it to resist rapid changes in temperature. This means that water can absorb or release a large amount of heat energy without its temperature changing significantly.
A fog forms over a lake. What two changes of state must occur to produce the fog Do the water molecules absorb or release energy during these changes of state?
First, water must evaporate from the lake. The water molecules absorb energy during evaporation. The water vapour in the air must condense to form the tiny water droplets that make up the fog. During condensation the water molecules release energy.
When matter changes can it absorb heat energy or release heat energy without a corresponding change in temperature?
no.
What is the transfer of energy in the wave forms?
As the ocean's waves absorb or release energy from the sun, the transfer of energy changes.
What is the transfer of energy in the wave form?
As the ocean's waves absorb or release energy from the sun, the transfer of energy changes.
What is the transfer of energy in the forms of waves?
As the ocean's waves absorb or release energy from the sun, the transfer of energy changes.
Very big particles like droplets of water absorb more radiation than they scatter how does this relate to the darkness of rain clouds?
Rain clouds appear dark because the large water droplets they contain absorb more sunlight than they reflect or scatter. This absorption of sunlight by the water droplets makes the clouds appear denser and darker.
Why is it that the edges of the leaves often have water droplets?
Water droplets can form on the edges of leaves through a process called guttation, where excess water, along with dissolved nutrients, is pushed out of the leaf margins. This is usually more common at night when transpiration is low and the plant continues to absorb water from the roots. The water droplets serve to release excess water and maintain a balanced water level within the plant.
Do substances absorb or release heat energy as then change from a liquid to the solid phase?
When a substance changes from a liquid to a solid it releases energy. (You take the heat out)
Is secreted by the and acts to emulsify in the?
Bile is secreted by the liver and acts to emulsify fats in the small intestine. It helps break down large fat droplets into smaller droplets, making it easier for enzymes to digest and absorb fats.
Does vaporization absorb or release energy?
Vaporization absorb energy.
Physical and chemical changes can be either exothermic or endothermic changes?
The two terms are probably used most often to describe chemical reactions - whether or not they absorb or require heat (endothermic) or create release heat (exothermic). However, since the terms simply mean "absorbing heat", and "giving off heat", they can be used to describe any such event, physical, chemical or nulear. Ray
What is the opposite for release?
Absorb.
