Identify items that can be used to control the boiling when heating liquid in a round bottom flask. Select one or more: A rubber stopper or cork Boiling chips or stones A stir bar and stir plate A Bunsen burner

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?