I need help really bad.

Compare and contrast the bohr model and the electron cloud models of the atom.

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?

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?