the rate constant for a given reaction is k = 0.312 m-1s-1. if the initial concentration of reactant is 1.00 m, the what is the length of the third half-life (in seconds)?

24. a sports ball is inflated to an internal pressure of 1.85 atm at room temperature (25 °c). if the ball is then played with outside where the temperature is 7.5 °c, what will be the new pressure of the ball? assume the ball does not change in volume nor does any air leak from the ball a) 0.555 atm b) 1.74 atm c) 1.85 atm d) 1.97 atm

He nucleus contains the cells genetic material in the form of dna. dna is organized into our chromosomes, which are made up of thousands of that determine our traits.

The molar mass of cu is 63.55 g/mol. the number of grams of cu produced in this reaction is