What statement accurately describes the charge of the nucleus of an atom?

Calcium chloride +gold(1) oxide—>

Stage in which a typical star has completely stopped fusion

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?