Marshall and Graham both lift a 50 lb. weight. Graham lifts his weight in 5 seconds. Marshall takes 7 seconds. Which of the following statements is true?

Graham had more power than Marshall.

Marshall had more power than Graham.

Both boys had equal amounts of power

Balance this equation co2(g) + h2o (g) show that the balanced equation obeys the law if conversation of mass

What is the value of keq for the reaction expressed in scientific notation

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?