These types of reactions are called endothermic reactions. This is when the system absorbs the heat from the surrounding. In this case, the system is the chemical reaction and the environment is the direct vicinity of the chemical reaction. You notice that the pack becomes cold because heat from the surrounding is being absorb.
The bonds involved in this substance includes ionic bonding and polar covalent.
Answer:
yes
Explanation:
it wont dissolve because when water is cold its molecules dont separate
Transform is the answer and also to save you points search the question on here before you ask it because this question has been asked and answered.
C.
Their radiation facilitates nuclear fusion in young stars.
Answer:
A water molecule (formally known as dihydrogen monoxide) is composed of two hydrogen atoms and one oxygen atom.
Explanation:
The actual reaction to make water is 2H2 + O2 = 2H2O + Energy
