Which statement describes this reaction at equilibrium?

Which phrase describes the effect of adding a catalyst to a chemical reaction in order to increase the reaction rate?

Systems in nature tend to undergo changes toward

Which element must be present in an organic compound?

Which formula represents a saturated hydrocarbon?

Which reaction occurs at the anode in an electrochemical cell?

Which statement describes the two types of reactions that occur in operating electrochemical cells?

Which term describes an acid according to one acid-base theory?

Which emission will be released from an unstable Fe-53 nucleus?

What is a potential risk associated with radioactive isotopes?

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