The beakers below depict the aqueous dissociations of weak acids HA (light blue and green) and HB (light blue and yellow); solvent molecules are omitted for clarity. If the HA solution is 0.50 L, the HB solution is 0.25 L, and each particle represents 0.060 mol, find the Ka of each acid.

Astudent is trying to create a table that compares hypotheses, theories, and laws. hypothesis theory law do scientific researchers formulate it? yes yes yes does it explain why things happen? yes yes no yes yes yes is it used to make predictions? no yes yes which of the following questions would most likely fill the blank in the table? is it an intelligent guess? is it newly formulated? is it based on observations? has it been proved?

Type the letter that represents the correct location for each particle type below. the neutron is found at __ the electron is found at __ the proton is found at __

If you try to move a piano and are unable to move it, did you perform any work in the scientific sense of the word? yes or no?