Its random, with no sense of meaning to it. Besides a person just typing things
Answer:
1 litre = 1000 millilitres
Answer:
Reverse the 
reaction
Explanation:
Reactions:
Overall:
As can be seen, in the overall reaction we have 
in the reactants like in the second reaction and 
in the products. The is in the first reaction but as a reactant so we need to reverse that reaction:
Combining:
The hockey puck will continue in the same speed in a continues straight line
