Make a plot of bonding energy versus melting temperature for the metals listed in the table below. using this plot, approximate the bonding energy for platinum, which has a melting temperature of 1772 ˚c.

Calculate the expected ph values of the buffer systems from the experiments (a,b,c,d), using the henderson- hasselbalch equation, ph-pka+log[a-]/[ha]. use for pka values carbonic acid= 6.37, and acetic acid= 4.75.

Use the drop-down menus to answer each question. which runner finished the 100 m race in the least amount of time? which runner stopped running for a few seconds during the race? at what distance did anastasia overtake chloe in the race?

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.