How can you measure how fast a plate will diverge or converge?

How would the number of moles (n) of o2 change if the atmospheric pressure doubled but all other variables stayed the same

Achemistry student weighs out 0.306 g of citric acid (h3c6h5o7), a triprotic acid, into a 250 ml volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with 0.1000 m naoh solution. calculate the volume of naoh solution the student will need to add to reach the final equivalence point. be sure your answer has the correct number of significant digits.

Displacement is the slope of a velocity vs. time graph a. true b. false