Question

Question 5 of 12SubmitWhich one of the following is an example of the First Law of Thermodynamics?A) As time passes, your room becomesmessier unless you spend energy to clean it.B) Water will only become ice if it is in a verycold environment.C) When a combustion reaction producesheat, that heat is absorbed by the air aroundthe reaction.D) A chemical ice pack feels cold because it isreducing the energy of the universe.

Answer 1

Answer: Option C

Explanations: The first law of thermodynamics states that energy cannot be created or destroyed, hoever, it can only change its state.

A) Incorrect - this is not related to thermodynamics

B) Incorrect - has no correlations to energy being conserved.

C) Correct - energy state of the heat is transfered from the system to surrounding, this is an example of thermodynamic

D) Incorrect - no energy is conserved here.