A0.7834 g sample of a primary standard khp was titrated with 38.45 ml of naoh solution to a phenolphthalein end-point. what is the molarity of the naoh solution?

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change?

How have the greenhouse gasses increased from the year 2000 to 2018

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?