How many atoms are in 394 g of Au?
in need of answer by 3pm

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.

The best solution for preventing harm to people and pets from severe hurricanes involves determining and warning residents about what

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.