What is 40 to 80 in percentage change

100 percent

Step-by-step explanation:

The value 40 increases to 80 meaning it doubles its value by one hundred percent.

40 was increased by 100%

Step-by-step explanation:

When we go from 40 to 80 we multiply by 2, therefore if we assume that

40 = 100% then 8 would equal 100% x 2 = 200%. So we can say that 40 was increased by 100%.

answer:

the position of equilibrium will shift to the left.

step-by-step explanation:

the general equation for the dissociation of a weak base is

b + h₂o   ⇌   bh⁺ + oh⁻

according to le châtelier's principle, when a stress is applied to a system at equilibrium, the system will respond in a way that tends to relieve the stress.

if you apply a stress by adding more bh⁺ or oh⁻,   the system will respond by moving in a direction that gets rid of the added ions.

the position of equilibrium will shift to the left, forming more of the undissociated base.

19.side- angle- side

20. angle- side- angle

step-by-step explanation: