When determining an Empirical formula a)you must change everything to percentages

b)you must use Avogadro's number

c)you must convert grams to moles

d)you must balance the equation

Type the letter that represents the correct location for each particle type below.

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?

The chemical bond connecting one nucleotide with the next one along the nucleic acid chain is called a