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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.

40dm3 of gas at 760 torr are heated from 5°c to 50°c what is the new volume

What is the source of continuous heat and energy that we receive from the sun