In a titration of a weak acid with a strong base, how do you calculate the following values listed below (study pages 800 to 804) a. Initial pH b. pH before the equivalence point c. pH at one half the equivalence point d. pH at the equivalence point e. pH beyond the equivalence point.

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?

Ill give u brainliest pls how is mass of carbon conserved during cellular respiration

Dumbledore decides to gives a surprise demonstration. he starts with a hydrate of na2co3 which has a mass of 4.31 g before heating. after he heats it he finds the mass of the anhydrous compound is found to be 3.22 g. he asks everyone in class to determine the integer x in the hydrate: na2co3·xh2o; you should do this also. round your answer to the nearest integ