Answer:
-5
Step-by-step explanation:
Answer:b
Step-by-step explanation:
The activation energy for the forward and the one for the reverse
reaction are similar because they attained chemical equilibrium. A chemical
equilibrium happens when both of the reactant and products achieve the same
concentration.
Answer:
The relation is 
Step-by-step explanation:
x and y are directly proportional:
This means that the equation is given by:

In which a is the multiplier that relates these two variables.
x= -4, y =6
We use this to find a. So




So
The relation is 
1.425 and 17.57 satisfy the equation.