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3 years ago

How long must you immerse equipmemt and utensils in a non-chlorine sanitizing solution

1 answer:

Ivan3 years ago

4 0

A non-chlorine chemical such as iodine may be used as a sanitizing solution. To use iodine as a sanitizing solution, it should be around 12.5-25 ppm in water that is at least 75° F. Utensils and equipment must be immersed for only 30 seconds because it may lose its effectivity if the pH level gets too high due to high temperature. Discoloration may also result if the utensils and equipment are in prolonged contact with the solution.

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Use the reactions below and their equilibrium constants to predict the equilibrium constant for the reaction 2A(s)⇌3D(g). A(s) ⇌

Liula [17]

Answer : The equilibrium constant for the reaction will be, $4.747\times 10^{-4}$

Explanation :

The following equilibrium reactions are :

(1) $A(s)\rightleftharpoons \frac{1}{2}B(g)+C(g)$ $K_1=0.0334$

(2) $3D(g)\rightleftharpoons B(g)+2C(g)$ $K_2=2.35$

The final equilibrium reaction is :

$2A(s)\rightleftharpoons 3D(g)$ $K_{eqm}=?$

Now we have to calculate the value of $K_{eqm}$ for the final reaction.

First we have to multiply equation (1) by 2 that means we are taking square of equilibrium constant 1 and reverse the equation 2 that means we are dividing equilibrium constant 2, we get the final equilibrium reaction and the expression of final equilibrium constant is:

$K_{eqm}=\frac{(K_1)^2}{K_2}$

Now put all the given values in this expression, we get :

$K_{eqm}=\frac{(0.0334)^2}{2.35}$

$K_{eqm}=4.747\times 10^{-4}$

Therefore, the value of $K_{eqm}$ for the final reaction is, $4.747\times 10^{-4}$

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2 years ago

Calculate the volume needed of a stock (undiluted) solution that has a concentration of 4.2 M and is then diluted to 0.034 L of

Mnenie [13.5K]

M1V1 = M2V2

V1(4.2) = (0.66)(0.034)

V1 = 0.0053L

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