The half-life for the second-order decomposition of hi is 15.4 s when the initial concentration of hi is 0.67 m. what is the rate constant for this reaction? a) 1.0 * 10-2 m-15-1 b) 4.5 * 10-2 m-15-1 c) 9.7* 10-2 m-15-1 od) 2.2 * 10-2 m-15-1

According to coulomb's law, how would the electrical force between particles change if the product of their electrical charge increased?

What produces wave a)sound b) heats c)transfer of energy d)vibrations

1) describe the physical layout of the ocean floor ? 2) explain how the dumbo octopus swims differently than other octopus species and why this would be an advantage in the aphonic zone . 3) why are the types of organisms that live at each underwater hot vent so dramatically different ?