A solution has a pH of 8. Which best describes the solution? a strong acid
a strong base
a weak acid
a weak base

Look at the potential energy diagram for a chemical reaction. which statement correctly describes the energy changes that occur in the forward reaction?

Janelle made a hypothesis bout the uneven temperatures inside her house during winter. she believes that 50% of the ducts are blocked and she plans to investigate. if she wants to prove her hypothesis using scientific processes what should she do next?

Dao makes a table to identify the variables used in the equations for centripetal acceleration. what quantities belong in cells x and y?