The following data were acquired in an experiment like ours where the initial amount
of Hydrogen Peroxide is 0.0035 moles. Find the rate constant.
Moles of
Time (min)
Oxygen
0.0000716 0.003
0.0003585 1.875
0.0007075 4.348
0.0010406 7.738

Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.

Which of these conditions most likely produces an unstable isotope?

15. which of the following is not human-caused groundwater pollution? a. water in an aquifer dissolves elements such as arsenic and mercury from surrounding rock. b. water in an aquifer is contaminated by leachate that seeps into the ground from a landfill. c. water in an aquifer becomes polluted with chemicals used in hydraulic fracturing, or fracking. d. water in an aquifer absorbs harmful bacteria from the drainage field of a septic tank.