AP BIOLOGY

PHOTOSYNTHESIS

THE CHLOROPLAST

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The second law:Energy cannot be converted without the loss of visible energy
A
The energy that is lost is usually converted into thermal energy
B
Entropy increases
C
The study of flow and transformation of energy in the universe
D
Energy can be converted from one to another, but it cannot be created nor destroyed
Explanation: 

Detailed explanation-1: -second law of thermodynamics: Every energy transfer or transformation increases the entropy of the universe since all energy transfers result in the loss of some usable energy. entropy: A measure of randomness and disorder in a system.

Detailed explanation-2: -The second law of thermodynamics states that every energy transfer involves some loss of energy in an unusable form, such as heat energy, resulting in a more disordered system. In other words, no energy transfer is completely efficient and tends toward disorder.

Detailed explanation-3: -The second law of thermodynamics states that the total entropy of a system either increases or remains constant in any spontaneous process; it never decreases.

Detailed explanation-4: -The Second Law of Thermodynamics states that the state of entropy of the entire universe, as an isolated system, will always increase over time. The second law also states that the changes in the entropy in the universe can never be negative.

Detailed explanation-5: -The second law states that if the physical process is irreversible, the combined entropy of the system and the environment must increase. The final entropy must be greater than the initial entropy for an irreversible process: Sf > Si (irreversible process)

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