On a cold morning water vapor in air becomes frost on your window. Is heat flowing into the water or out of the water? Is this process exothermic or endothermic??

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?

The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.

Answer explain why it is not possible to deduce a complete order of reactivity.