In an atom, electrons a. are located in the nucleus c. travel outside the nucleus b. are paired with neutrons d. are always in the same place in an atom

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

Imagine that twenty i.u.’s of enzyme z were catalyzing the above reaction for one minute, under vmaxconditions, in a 3.00 ml assay volume. the assay is buffered with 20 mm phosphate buffer, ph 7.60. what will the ph be at the end of that one minute?

How many moles are in 123.0 grams of kclo4?