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What is the spontaneous direction of change?
The spontaneous direction of change refers to the tendency of a system to move towards a state of lower energy or greater disorder, following the laws of thermodynamics. In simpler terms, it describes the natural tendency of systems to evolve towards equilibrium or a more disordered state over time.
How does the concept of positive entropy relate to the increase in disorder within a system?
The concept of positive entropy is related to the increase in disorder within a system because it signifies that the system is moving towards a state of greater randomness and unpredictability. As entropy increases, the system's energy becomes more dispersed and its components become more disordered, leading to a higher level of chaos and less organization within the system.
Under what condition can entropy decrease in a system?
First of all, entropy is the defined as the extent to which something is disordered. In chemistry, for entropy in a SYSTEM to decrease, the products of a reaction must be less disordered than the reactants. The extent of "disordered-ness" can be seen by the physical states of the substances. A gas is more disordered than a liquid, which is more disordered than a solid. So, an example of a reaction that leads to a decrease in entropy is: HCl(gas) +NH3(gas) -----> NH4Cl(solid) So you see, there are more gaseous molecules in the reactant side of the equation than in the product side, which means the products are less disordered than the reactants. ----------------------------------------------- However, one must note that if the entropy of a system(reaction) decreases, the entropy of the surroundings should increase. This is because change in TOTAL entropy(A) = change in entropy of SYSTEM(B) + change in entropy of SURROUNDINGS(C). It is a rule that A must increase in every case ( have a positive value). If the B is negative(a decrease in entropy), C must be positive(an increase in entropy) to keep the value of A positive.
Entropy involves losing energy over time?
Entropy actually refers to the measure of disorder or randomness in a system. As a closed system evolves, entropy tends to increase over time as energy disperses and the system becomes more disordered. It is not about losing energy but rather about the transformation of energy into less usable forms.
Is entropy of water is higher than entropy of ice?
Yes, the entropy of water is higher than the entropy of ice because water is in a more disordered state compared to ice, which has a more ordered and structured arrangement of molecules. Entropy is a measure of disorder in a system, so the more disordered the state, the higher the entropy.
What is the spontaneous direction of change?
The spontaneous direction of change refers to the tendency of a system to move towards a state of lower energy or greater disorder, following the laws of thermodynamics. In simpler terms, it describes the natural tendency of systems to evolve towards equilibrium or a more disordered state over time.
Will this entropy change by positive or negative?
If the system becomes more disordered, the entropy change will be positive. If the system becomes more ordered, the entropy change will be negative.
How does entropy contribute to the randomness of a system?
Entropy is a measure of disorder or randomness in a system. As entropy increases, the system becomes more disordered and unpredictable. This means that the higher the entropy, the more random and chaotic the system becomes.
The standard for entropy is defined by a perfectly ordered at?
The standard for entropy is defined by a perfectly ordered state, which is considered to have zero entropy. In thermodynamics, a perfectly ordered system has maximum predictability and minimal uncertainty, leading to no randomness or disorder. As systems become more disordered and energy is dispersed, entropy increases, reflecting the natural tendency towards disorder. This concept is crucial in understanding the second law of thermodynamics, which states that the total entropy of an isolated system can never decrease over time.
How does the concept of positive entropy relate to the increase in disorder within a system?
The concept of positive entropy is related to the increase in disorder within a system because it signifies that the system is moving towards a state of greater randomness and unpredictability. As entropy increases, the system's energy becomes more dispersed and its components become more disordered, leading to a higher level of chaos and less organization within the system.
Does the central tendency of a class become more obvious as you increase classes in a histogram?
Yes!
What happens as you increase the number of classes in a histogram?
central tendency become more obvious
Which measures of central tendency become larger as the data is more dispersed?
None. Measures of central tendency are not significantly affected by the spread or dispersion of data.
Under what condition can entropy decrease in a system?
First of all, entropy is the defined as the extent to which something is disordered. In chemistry, for entropy in a SYSTEM to decrease, the products of a reaction must be less disordered than the reactants. The extent of "disordered-ness" can be seen by the physical states of the substances. A gas is more disordered than a liquid, which is more disordered than a solid. So, an example of a reaction that leads to a decrease in entropy is: HCl(gas) +NH3(gas) -----> NH4Cl(solid) So you see, there are more gaseous molecules in the reactant side of the equation than in the product side, which means the products are less disordered than the reactants. ----------------------------------------------- However, one must note that if the entropy of a system(reaction) decreases, the entropy of the surroundings should increase. This is because change in TOTAL entropy(A) = change in entropy of SYSTEM(B) + change in entropy of SURROUNDINGS(C). It is a rule that A must increase in every case ( have a positive value). If the B is negative(a decrease in entropy), C must be positive(an increase in entropy) to keep the value of A positive.
Does overweight people have asthma more than skinny people?
I don't think there's a tendency for overweight people to become asthmatic, BUT there is a tendency for some people with asthma to become overweight if they have difficulty breathing properly during exercise.
When salt is dissolved in water do you think the entropy of the system of salt and water increases or decreases?
When salt dissolves in water, the entropy of the system increases. This is because the salt molecules become surrounded by water molecules, leading to a more disordered state compared to the separate salt crystal and water molecules.
Entropy involves losing energy over time?
Entropy actually refers to the measure of disorder or randomness in a system. As a closed system evolves, entropy tends to increase over time as energy disperses and the system becomes more disordered. It is not about losing energy but rather about the transformation of energy into less usable forms.
