I do not fully know Sorry :( hope someone comes and helps you im not smart in dna and all that
Answer:
<h2><u><em>
internal energy</em></u></h2>
Explanation:
At constant pressure, the heat of reaction is equal to the enthalpy change of the system. Most chemical reactions occur at constant pressure, so enthalpy is more often used to measure heats of reaction than internal energy
You got to be greatfull for what you get to eat .
Argon is a noble gas. Argon has a full outer shell. This makes it so that it does not need to react with any of the other elements to be stable.
With Rubidium and Cobalt its a whole different story.
I hope that helps!