What is the energy transformation as the fragments move through the gel? A. Electric potential energy to kinetic energy B. Electric potential energy to thermal energy C. Electric potential energy to kinetic energy and thermal energy D. Kinetic energy to thermal energy
Energy transfer
The flow of energy from one region to another region is referred to as energy transfer. Since energy is quantitative; it must be transferred to a body or a material to work or to heat the system.
Molar Specific Heat
Heat capacity is the amount of heat energy absorbed or released by a chemical substance per the change in temperature of that substance. The change in heat is also called enthalpy. The SI unit of heat capacity is Joules per Kelvin, which is (J K-1)
Thermal Properties of Matter
Thermal energy is described as one of the form of heat energy which flows from one body of higher temperature to the other with the lower temperature when these two bodies are placed in contact to each other. Heat is described as the form of energy which is transferred between the two systems or in between the systems and their surrounding by the virtue of difference in temperature. Calorimetry is that branch of science which helps in measuring the changes which are taking place in the heat energy of a given body.
32. What is the energy transformation as the fragments move through the gel?
A. Electric potential energy to kinetic energy
B. Electric potential energy to thermal energy
C. Electric potential energy to kinetic energy and thermal energy
D. Kinetic energy to thermal energy
![Questions 30 through 32 concern Figure Q21.30,
which shows the configuration of a gel electro-
phoresis experiment. Charged plates establish
an electric field on a region of gel between the
plates. A solution of DNA fragments, which
acquire a negative charge in solution, is ana-
lyzed by using an electric field to drive the frag-
ments through the gel. A drag force opposes the
motion, causing the fragments to move at a con-
stant speed. Larger fragments move more slowly,
so the fragments separate by size to give a “fin- FIGURE Q21.30
gerprint" of the sample.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4f178d48-0cf3-4496-b2ad-53eaeb53d754%2F271dbf72-1c36-455f-a345-5ab6841135ee%2Faju83qs_processed.png&w=3840&q=75)
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Given :
The case of gel electrophoresis and asked about the energy tranfer.
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