Using boyles law
p1v1=p2v2
p1=205
p2=?
v1=425
v2=1209
205x425=p2x1209
87125/1209=p2
p2=72kPa
Answer:
Combination or synthesis
Explanation:
In combination or synthesis, there is formation of a single product from two or more reactants e.g:
H₂ + I₂ → 2HI
Here a compound forms from the association of the consituent elements.
Other kinds of chemical reactions we have are:
- Decomposition or cracking
- Single replacement or single displacement
- Double replacement or double decomposition or metathesis.
Answer:
It is A.
Explanation:
I hope this helps have a great day.