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bija089 [108]
3 years ago
14

List two examples of how chemical or nuclear energy can be transformed

Biology
2 answers:
BigorU [14]3 years ago
7 0
Chemical energy can be transformed by such as:

Exothermic reaction
Kinetic energy and
Potential energy
Arada [10]3 years ago
6 0

Answer:

Chemical energy can be transformed into electrical energy and mechanical energy.

Explanation:

  • Chemical Energy transformed into Electric Energy - widely exploited by batteries. The chemical reactions that are taking place in these devices can be used as a direct source of electrical energy. Some may be reversed and some non - reversible are called rechargeable. Never attempt to recharge regular batteries as there may be an explosion with burns and material and personal damage.
  • Chemical energy transformed into mechanical energy: An explosion is always accompanied by a shock wave. The shockwave is nothing but the air being moved very quickly, a kind of supersonic wind that is accompanied by a crash. Explosives are an example of this type of transformation.

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Help asap please!
andreyandreev [35.5K]

Answer:

Active transport:

  • requires energy
  • molecules move from low to high concentration sides
  • Na+ and K+ move by active transport

Simple diffusion:

  • molecules move from high to low concentration sides
  • molecules pass between lipids
  • small non-polar and polar molecules

Facilitated diffusion:

  • molecules move from high to low concentration sides
  • involves channel proteins
  • move large molecules

Explanation:  

  • Simple Diffusion is the pathway of only small molecules that freely move through the membrane by momentary openings produced by the lipids' movements. Diffusion is a slow process that requires short distances and pronounced concentration gradients to be efficient. An example of diffusion is osmosis by which water is the transported molecule.
  • Facilitated diffusion is the transport of hydrophilic molecules that can not freely cross the membrane. Channel protein and many carrier proteins are in charge of this transport. When uncharged molecules cross the membrane, they do it according to their concentration gradients, going from the more concentrated side to the lower concentrated one. When ions need to cross the membrane, the process depends on an electrochemical gradient.  Glucose is an example of a hydrophilic protein that gets into the cell by facilitated diffusion.

Simple diffusion and facilitated diffusion are both passive transport processes because they only depend on electrochemical gradients, so they do not need any energy to occur.

  • Active transport is the transport of molecules that move against the electrochemical gradient, so it does need energy to happen. Molecules move from the lower concentration side to the higher concentration side of the membrane. Carrier proteins are in charge of active transport. The needed energy might proceed from the ATP molecules or the membrane's electric potential. An example of molecules moved by active transport are the Na and K.

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<span>c. numbers of neutrons.</span><span>

Isotopes are atoms of the same element with the same number of protons and same number of electrons but with <span>different number of neutrons. They differ in the number of neutrons that is why they also differ in mass numbers. Since they have the same number of protons, they have the same atomic number. 
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