Answer:
C 1:1
Explanation:
Hydrogen loses an electron to becone +1 which is a cation and flourine gains that electron to have a full outer shell on the 2p subshell to become -1 and is an anion so the ratio is 1:1.
2) chemical
3) chemical
4) physical
5)chemical
6)chemical
7)physical
8)physical
9)physical / chemical
100% sure
Answer:
The half life is 
Explanation:
The half life of a first order reaction is mathematically represented as
Substituting 
for the rate constant
Add 4H2 in the reactant side, that will give you 4H2O in the product side.
Answer:
Okay
Explanation:
The ingredients of photosynthesis are:
Carbon dioxide
Water
Light
Hope this helps <3
