Analyze each line (A, B,C and D) on this graph to describe the acceleration, and conclude which line represents the highest acceleration during time 10 sec to 15 sec.

The midpoints? a, b, and c are marked on the histogram. match them to the indicated scores. which? scores, if? any, would be considered? unusual?

Can anybody me with this? ? (picture included.)

The vapour pressure of benzene is 53.3 kpa at 60.6 °c, but it fell to 51.5 kpa when 19.0 g of a non-volatile organic compound was dissolved in 500 g of benzene. calculate the molar mass of the compound.