Answer:
The temperature is 419,1 K
Explanation:
We use the formula PV=nRT T=PV/nR
T=1,5 atm x 12,6 L/0,55 mol x 0,082 l atm/K mol
T= 419,0687361 K
<span>the rapid expansion of matter from a state of extremely high density and temperature that according to current cosmological theories marked the origin of the universe.</span>
oops pls forgive me I accidentally did the wrong question.
Answer:
Hydrogen
Explanation:
Hydrogen can never be central atom despite its low electronegativity