Entropy - Order to Disorder

When two objects interact in a calorimeter, the amount of energy lost by 1 object is

• equal to the amount of energy lost by the other object

• equal to the amount of energy lost by the other object

• equal to the amount of energy gained by the other object

• greater than the amount of energy gained by the other object

Entropy increases from solid, liquid to gas. Why?

• Molecular disorder increases
• Molecular randomness decreases
• Molecules are more energetic
• Molecules are more reactive

The picture shows two completely identical mason jars. They're both filled with the same gas, only one of them has more in it (more molecules). What can you say about the pressures of both jars?

• P₁ > P₂ (greater pressure in jar 1)

• P₁< P₂ (greater pressure in jar 2)

• P₁ = P₂ (same pressure in both)

• There's not enough info to tell

A substance with a high specific heat:

• Is always extremely hot.
• Requires a lot of energy to become hot.
• Is not heavy.
• Does not requires a lot of energy to become hot.

Heat transfers from an area of ____temperature to an area of ___ temperature.

• high to low

• low to high

• high to high

• All

Naturally heat flows from cold to hot.

• True

• False

How does heat move to melt ice?

• from the ice to the water
• from the water to the ice
• from the water to the air
• from the air to the water

Which thermometer best represents the temperature 39°?

• B

• D

• F

• H

• J

Thermal energy always moves:

• From a high temperature object to a lower temperature object.
• From a lower temperature object to a higher temperature object.
• From an object with lower kinetic energy to an object with higher kinetic energy.
• From an object of higher mass to an object of lower mass.

When thermal energy is added to a substance, the substance's particles move:

• More rapidly at an increased diestance from each other.
• More rapidly with less distance between each other.
• More slowly with a greater distance between each other.
• More slowly with a reduced distance between each other.