The hypothetical elements shown here (figures a–d) do not include hydrogen or helium. which element would you expect to bond covalently with an oxygen atom to form a two-atom molecule?

Which atom or ion is the largest? 0 a. 0 0 0 0 e. li

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:

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?