H2so4(aq) mc011-1.jpg 2h+(aq) + so42–(aq) the addition of which compound will cause a shift in equilibrium because of a common ion effect?
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The addition of will cause a shift in the given equilibrium equation.

Explanation: We are given a chemical equation:

Common ion effect is the effect seen when there is an addition of one common ion to the equilibrium conditions and it effects the equilibrium to counteract the effect of addition.

In the given equilibrium, will cause a shift in the equilibrium because of the presence of ions in both the reactions.

Ionization of is given by:

As the ions are added to the right side, so to counteract the effect of this, the equilibrium will shift in the left direction that is the reaction will proceed in the backward direction.

linda: 3 ; laura: 15

step-by-step explanation:

note that linda + laura's age is 18, and that linda is 12 years younger than her sister.

let "linda" = x , "laura" = y:

x + y = 18

x = y - 12

first, plug in y - 12 for x in the first equation:

(y - 12) + y = 18

simplify.

2y - 12 = 18

isolate the variable (y). note the equal sign, what you do to one side, you do to the other. do the opposite of pemdas. first add, then divide.

2y - 12 (+12) = 18 (+12)

2y = 18 + 12

2y = 30

(2y)/2 = (30)/2

y = 30/2

y = 15

next, plug in 15 for y in the second equation (the other equation would work too).

x = y - 12

x = (15) - 12

x = 3

linda's age is 3, laura's age is 15.

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