What would a general formula of an acid always start with? ( 1 point)
what does the general formula of an acid have to end with? ( 1 point)
where would you put a subscript in a general formula and why is it put there? ( 1 point)

Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?

Which element is least likely to undergo a chemical reaction

If you try to move a piano and are unable to move it, did you perform any work in the scientific sense of the word? yes? or no? this question is worth 20 points! let it be correct!