If a race car runs using octane fuel the reaction that occurs in the pistons of the engine is

Which of these properties, used alone, would be least useful in identifying most minerals? a. color b. luster c. streak d. density

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.

Define a is a tiny pavket of energy