Are three mixtures:
CO₂ , SO₂ , H₂O so :
25 Kpa x 3 = 75 Kpa
Answer:
Baking soda mixed with Vinegar
Explanation:
This is a chemical reaction that I have seen in my daily life. Vinegar is acidic while baking soda is a base. The 2 mix together to form carbonic acid and sodium acetate from sodium and bicarbonate ions.
The answer is d: Combustion, because it is the so-called combustion of methan. (Check your lesson)
Answer:
To hit someone on the head
Explanation:
self protection