Consider the following chemical reaction between a strong acid and a metal at equilibrium: 2HCl(g) + Na(s) \rightleftharpoons 2NaCl(s) + H2(g)
How would the equilibrium be perturbed when more Na(s) is added to the system?

Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.

What type(s) of intermolecular forces are expected between ch3ch2cooh molecules? dipole forces, induced dipole forces, hydrogen bonding

Which fossil fuel is mainly used for heating and cooking? a. electricity b. coal c. petroleum d. natural gas