Answer:
a physical change does not change the composition (what it's made of) as a chemical change would.
Answer:
H₂ (g) + O₂ (g) ⇒ H₂O (g)
Explanation:
Hydrogen and oxygen gas both exist as diatomic molecules. The water is in gaseous state due to the heat given off by the combustion reaction.
Answer:
ddddddddddddddddddddddddddddddddddddddddddddddddd
Explanation:
Answer:
i believe it's C.
Explanation:
if it's wrong i apologize, if you are looking for an "Extensive tabulation of absorption coefficients of heated air including both molecular and atomic contributions" the equation can be used to calculate that step
