The scientific principle which explains the observation that the ...

[nummyann]

The scientific principle which explains the observation that the amount of heat transfer accompanying a change in one direction is numerically equal but opposite in sign to the amount of heat transfer in the opposite direction is
 
  A) the Law of Conservation of Energy.
  B) the Law of Conservation of Mass.
  C) the Law of Conservation of Mass and Energy.
  D) the Law of Definite Proportions.
  E) Avogadro's Law.

Question 2

The simplest aromatic alcohol, recognized by its strong medicinal odor and used as a disinfectant is
 
  A) ethanol.
  B) glycerol.
  C) glycol.
  D) methanol.
  E) phenol.

[macmac]

Answer to Question 1

A

Answer to Question 2

E

[nummyann]

Excellent

[Perkypinki]

Gracias!