There are 6.7 grams of hydrogen gas and 28.8 grams of oxygen gas in a container, with a total pressure of 425 mmHg. What is the partial pressure of each gas?

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.

Needthe meter is the standard unit for: 1) height 2) length 3) weight 4) mass

Achemist 16 drop copper metal from copper chloride solution. the chemist place is 0.50 g of aluminum foil in a solution containing 0.75 g of copper (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction?