10
classify each as either
élément
compound
mixture of elements
mixture of compounds
mixture of elements and compounds

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 atoms of a solid aluminum can are close together, vibrating in a rigid structure. if the can is warmed up on a hot plate, what happens to the atoms?

How many moles of oxygen gas are produced from the decomposition of six moles of potassium chlorate