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Y_Kistochka [10]
4 years ago
9

The equilibrium constant for the gas phase reaction

Chemistry
1 answer:
stellarik [79]4 years ago
6 0
The equilibrium constant is found by [product]/[reactant]

If the equilibrium constant is very small, such as 4.20 * 10^-31, then that means at equilibrium there is very little product and a lot of reactant.
And likewise, if there is a lot of product formed, and very little reactant, then the K value will be very large, which tells us that it is predominantly product.

At equilibrium, for any reaction, there will always be some reactant and some product present. There cannot be zero reactant or zero product. Also keep in mind that the equilibrium constant is dependent on temperature.

At equilibrium, for your reaction, it is predominantly reactants.
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Potassium superoxide is a yellow paramagnetic solid that reacts with water according to the following balanced equation. Calcula
babunello [35]

<u>Answer:</u> The mass of potassium superoxide required is 142.2 grams

<u>Explanation:</u>

The chemical equation for the reaction of potassium superoxide with water follows:

2KO_2+H_2O\rightarrow KOH+KHO_2+O_2;\Delta H=2405J

Number of moles of potassium superoxide reacted = 2 moles for given amount of heat released

To calculate the mass for given number of moles, we use the equation:

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2mol=\frac{\text{Mass of potassium superoxide}}{71.1g/mol}\\\\\text{Mass of potassium superoxide}=(2mol\times 71.1g/mol)=142.2g

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4 0
3 years ago
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