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Which has a higher entropy a hot water or a cold water?
Entropy is the measure of disorderness. Hot water --> more energy --> less stable --> more disorderness (than Cold water). Therefore, Entropy of Hot water is greater than that of Cold water.
How does the structure and entropy change when water freezes?
When water freezes, the structure changes from a more disordered liquid phase to a more ordered solid phase, with water molecules forming rigid ice crystals. This increase in order leads to a decrease in entropy.
What is the change of entropy when an icicle melts at 2 degrees Celsius?
The change in entropy when an icicle melts at 2 degrees Celsius is positive. This is because the solid ice undergoes a phase change to become liquid water, increasing the randomness and disorder of the molecules, leading to a higher entropy.
Why does water have an entropy of zero when it is at zero kelvin?
At absolute zero temperature, water molecules have no thermal energy to move or vibrate, leading to a highly ordered and structured arrangement. This low energy and high level of order result in minimal entropy, as entropy is a measure of the disorder or randomness in a system.
What is the physicists term for a measure of amount of disorder?
Entropy
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.
Which of the following has the highest entropy Water Ice Water solution or Water vapor?
Water vapor has the highest entropy because gases generally have higher entropy compared to liquids or solids at the same temperature. Entropy tends to increase with the randomness or disorder of the molecules, so the highly disordered state of water vapor results in higher entropy.
What describes the phases of water Water expands as it changes from a solid to a liquid?
the entropy of water is higher than the entropy of ice.
How does the entropy of a system change for condensation of water?
The entropy of a system typically decreases during the condensation of water. This is because the molecules of water vapor become more ordered as they transition into the liquid state, reducing the overall disorder (entropy) in the system.
When water becomes ice the entropy decreases does this contradict the second law?
No, because the entropy of the surroundings must increase more than the decrease in the water->ice transition, thus the net change in the entropy of the universe is positive, consistent with the second law.
Will this entropy change by positive or negative water heating on a stove?
The entropy, S, will increase with temperature. If there's more kinetic energy in the pot, and the water molecules are flying around faster and faster as a result, there's more chaos and disorder, so a higher value of entropy.
Which has a higher entropy a hot water or a cold water?
Entropy is the measure of disorderness. Hot water --> more energy --> less stable --> more disorderness (than Cold water). Therefore, Entropy of Hot water is greater than that of Cold water.
Which form of water has the highest entropy?
Water vapor has the highest entropy compared to liquid water and ice because gas molecules have more freedom of movement and therefore more possible microstates, resulting in higher entropy.
What result in a decrease in entropy?
water freezing
What results in decrease in entropy?
Water Freezing
What has the greatest entropy per mole ice water or steam?
Steam has the greatest entropy per mole compared to ice and water, as steam has a higher degree of disorder and randomness in its molecular arrangement.
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.
