Achemist mixes 75.0 g of an unknown substance at 96.5°c with 1,150 g of water at 25.0°c. if the final temperature of the system is 37.1°c, what is the specific heat capacity of the substance? use 4.184 j / g °c for the specific heat capacity of water.

Ascientist conducted an experiment and discovered that certain plants grow faster when given a particular amount of fertilizer. anouther scientist conducted the same experiment and got similar results. which concept does this best illustrate? a) repetition b) replication c) precision d) validity

Which of the four hypothetical substances you investigated would be most harmful to living organisms? 50 points!

Which nuclide is most likely to be radioactive and synthetic 24/12 mg237/93mg195/78mg230/84mg