Can someone inidicate for me the carboxylic acid, the alcohol and the amide in pantothenic acid? Thnx in advance.

What are the spectator ions in 2h+ + so42- + ca2+ + 2r → caso4 + 2h+ + 21?

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of

How many oxygen atoms are there in 3.15 moles of hcl manganese (iv) oxide, mno2