Laws of Thermodynamics

Which statement is true about the ENTROPY?

• Entropy refers to DISORDER, the unusable energy that escapes a system.

• Entropy refers to the balance of temperature among two or more systems.

• Entropy refers to the average kinetic energy of the molecules.

• Entropy refers to the inability to destroy or create energy. 

Tags

NGSS.HS-PS3-4

The heat from a hot burner to a pot is transferred by ______.

• convection

• insulation

• radiation

• conduction

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NGSS.HS-PS3-4

A concept stating that systems can´t reach absolute zero

• 1st law of thermodynamics

• 2nd law of thermodynamics

• 3rd law of thermodynamics

• Zeroth Law

It states that if two thermodynamic systems are each in thermal equilibrium with a third, then they are in thermal equilibrium with each other.

• 1st law of thermodynamics

• 2nd law of thermodynamics

• 3rd law of thermodynamics

• Zeroth Law

My coffee and the creamer have the same temp.  My cofee and the cup have the same temp. So...Creamer and cup have same temp.

• 1st law of thermodynamics

• 2nd law of thermodynamics

• 3rd law of thermodynamics

• Zeroth Law

Tags

NGSS.HS-PS3-4

When two gases combine to form a new gas as seen below, entropy decreases due the smaller number of gas molecules in the product. Which law of thermodynamics?

• 1st law of thermodynamics

• 2nd law of thermodynamics

• 3rd law of thermodynamics

• Zeroth Law

Which law of thermodynamics establishes absolute zero as the temperature at which the entropy of a system is zero?

• 1st law of thermodynamics

• 2nd law of thermodynamics

• 3rd law of thermodynamics

• Zeroth Law

The change in energy of a system equals the heat added to it plus the work done on it.

• 1st law of thermodynamics

• 2nd law of thermodynamics

• 3rd law of thermodynamics

• Zeroth Law

Tags

NGSS.HS-PS3-1

A concept that addresses the conservation of energy

• 1st law of thermodynamics

• 2nd law of thermodynamics

• 3rd law of thermodynamics

• Zeroth Law

Tags

NGSS.HS-PS3-2

A concept that addresses entropy

• 1st law of thermodynamics

• 2nd law of thermodynamics

• 3rd law of thermodynamics

• Zeroth Law