Which best explains how a single-celled organism can survive without other cells?

Which of the following describes a compound? (hint: carbon and oxygen bo a. a piece of pure carbon, containing only carbon atoms b. oxygen gas surrounding a solid piece of carbon c. a substance made of two oxygen atoms for each carbon atom carbon and oxygen atoms mixed without being bonded together

To find the enthalpy of a reaction in the lab, you measured the of the reactants and the change during the reaction.

What information does a complete ionic equation give that the balanced equation doesn’t show?