Why would seeing how a substance reacts with vinegar help you classify the substance as a mixture?

Predict whether the changes in enthalpy, entropy, and free energy will be positive or negative for the boiling of water, and explain your predictions. how does temperature affect the spontaneity of this process?

Which of these conditions most likely produces an unstable isotope?

Use the half-reactions of the reaction au(oh)3 + hi -> au +i2 +h2o to answer the questions