Which of the following processes demonstrates an increase in entropy?

Entropy, Spontaneity and Second Law of Thermodynamics Quiz

Quiz
•
Chemistry
•
11th Grade
•
Easy
Mischelle Maongca
Used 2+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The crystallization of salt from a saturated solution.
The compression of a gas at constant temperature.
The sublimation of dry ice (solid CO₂) to gaseous CO₂.
The formation of ice crystals from liquid water at -10°C.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which process is likely to be spontaneous based on entropy alone?
The formation of a protein from its amino acid constituents.
The mixing of two different gases in a container.
The cooling of a hot metal block.
The condensation of steam into liquid water.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following processes leads to a decrease in entropy?
Melting of ice.
Evaporation of a liquid.
Dissolving salt in water.
The formation of a precipitate from a solution.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which scenario represents the greatest increase in entropy?
A liquid freezing.
A solid melting.
A gas condensing.
A liquid evaporating.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is most likely to be a spontaneous process based on entropy?
Organizing a messy room.
Iron rusting.
Water freezing at 25°C.
Separating a mixture of gases into its pure components.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which process results in a decrease in the number of microstates and therefore a decrease in entropy?
The expansion of a balloon.
The dissolving of sugar in tea.
The compression of a gas.
The heating of a solid.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Consider a chemical reaction where gases are formed from solids and liquids. Which of the following is true regarding the entropy change (ΔS)?
ΔS is negative.
ΔS is zero.
ΔS is positive.
ΔS cannot be determined.
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