Solution Found!
Which observation is consistent with a chemical reaction occurring? Why?(a) Propane
Chapter 7, Problem 26P(choose chapter or problem)
Which observation is consistent with a chemical reaction occurring? Why?
(a) Propane forms a flame and emits heat as it burns.
(b) Acetone feels cold as it evaporates from the skin.
(c) Bubbling occurs when potassium carbonate and hydrochloric acid solutions are mixed.
(d) Heat is felt when a warm object is placed in your hand.
Questions & Answers
QUESTION:
Which observation is consistent with a chemical reaction occurring? Why?
(a) Propane forms a flame and emits heat as it burns.
(b) Acetone feels cold as it evaporates from the skin.
(c) Bubbling occurs when potassium carbonate and hydrochloric acid solutions are mixed.
(d) Heat is felt when a warm object is placed in your hand.
ANSWER:Solution 26P
A change that results in the formation of new substances.
(a) Propane forms a flame and emits heat as it burns.