Thermodynamics

Both rods eventually reach room temperature regardless of initial temperatures.

No heat transfer occurs since metals are conductors, not insulators.

Heat transfers from the hotter rod to the cooler one until thermal equilibrium is reached.

Radiation causes both rods to lose heat until they are equally cold.

When a gas expands without adding heat, its temperature decreases.

If two systems are each in thermal equilibrium with a third system, they are in thermal equilibrium with each other.

The entropy of an isolated system not in equilibrium will increase over time.

Energy cannot be created or destroyed, only transformed from one form to another.

The type of working substance used in the engine cycle.

The absolute temperatures of the hot and cold reservoirs.

The volume ratio between expansion and compression phases.

The pressure differences experienced during operation phases.

$\eta = Q_H - W$

$\eta = \frac{Q_H + W}{Q_H}$

$\eta = \frac{Q_H}{W}$

$\eta = \frac{W}{Q_H}$

The internal energy remains constant.

The internal energy decreases as heat is added to the system.

The internal energy increases due to heat being converted into work.

The internal energy increases due to work done on the surroundings.

Heat capacity

Temperature

Entropy

Enthalpy

The mean free path of electrons/phonons may differ vastly due to size quantization effects, leading to altered transport properties.

Heat transfer via radiation dominates over conduction at nanoscales, making bulk models less relevant.

The effect of cohesive energy density becomes more prominent at small scales, affecting conduction mechanisms.

Axial gradients and physical dimensions play more significant roles than predicted by homogeneous material models.

More moles create higher external pressures through additional intermolecular forces;

Reduction total numbers particles lowers overall exerted forces so lessens outside imposing pressures

Incorrect adding more moles increases external pressure due increased collisions against walls;

External pressure doesn’t change because it’s independent from number moles inside container.

It will come to rest eventually.

It will accelerate uniformly.

It will move in a circular path.

It will maintain its state of motion.

The specific heat capacity of the refrigerant used within the system.

The temperature difference between the inside and outside environments.

The insulation quality of the building being heated.

Efficiency of electrical energy conversion into mechanical work.