How many elements are there in the first column of the periodic table?

Which step in naming unsaturated hydrocarbons is used for alkenes but not alkynes

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?

Compare and contrast solutions and suspensions