Anegatively charged balloon sticks to a door. what is the nature of the charge on the door? a. negatively charged c. conductor b. positively charged d. lacking protons

Express the following number in scientific notation. 0.026890 =

Which other elements contain the same number of outer electrons as sodium

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?