What is the number of protons plus the number of neutrons in the nucleus of an atom equivalent to?

Which of these expressions are correct variations of the combined gas law? p1v1t2 = p2v2t1 both

Total the mass on the syringe. record it in the correct row of the data table. kg done click and drag weights to change the pressure. click the syringe to zoom in and see the volume. intro

2-bromo-2-methylbutane undergoes an e1 elimination reaction in the presence of ethanol. in the next reaction only one of the possible products is represented. although the product shown is not the major product of the reaction, notice that there is more than one way it can be produced. complete the mechanism and draw the missing substances.