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Chemistry

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Lottie Von

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Cards in this guide (6)
If the temperature of a reaction increases what happens to the value of the equilibruim constant

Equilibrium constant changes when temperature changes. For an endothermic reaction, the equilibrium constant increases with temperature while for an exothermic reaction equilibrium constant decreases with increase in temperature. Equilibrium constants are only affected by change in temperature.

Which describes two phases in dynamic equilibrium

the total number of molecules in each phase stays constant

What is the half-life of a radioisotope if a 40 g sample becomes 10 g after 20 minutes

10 minutes. APEX ^-^

How do changes in temperature and activation energy compare in how they affect reaction rate Apex

Changes in temperature and activation energy have opposite effects on reaction rate.

What is a reaction rate apex

how slow or fast A reaction progresses - apex

What is conjugate base of HPO42-

(PO4)3- is considered the conjugate base.

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