If an object is moving 18m/s, then how long will it take for it to travel 9m?

If a reactant was removed, did the new equilibrium system shift to make more reactants or more products?

Use the periodic table to determine the electron configuration of dysprosium (dy) and americium (am) in noble-gas notation.

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?