As a reaction proceeds, one mole of reactant equals:

a) three units of a balanced chemical equation

b) two units of a balanced chemical equation

c) four units of a balanced chemical equation

d) one unit of a balanced chemical equation

Identify one disadvantage to each of the following models of electron configuration: -dot structures -arrow and line diagrams -written electron configurations type in your answer below. (answer) -dot structures do not show the distribution of electrons in orbitals and take up a lot of space. -arrow and line diagrams take up a lot of space and make it difficult to count electrons. -written configurations make it easy to lose count of electrons and do not show the distribution of electrons in orbitals.

In the experiment you asked to react hydrochloric acid and with sodium hydroxide. when measuring the volume of the reactants, which instrument would give the greatest precision.

Anitrogen atom and an oxygen atom combine chemically to form nitric oxide. what is nitric oxide?