Classify each amino acid according to the electrical charge of its side chain at a pHpH of 2.00.2.00. Recall that the pKapKa values of the Asp, His, and Lys side chains are 3.65, 6.00, and 10.53,3.65, 6.00, and 10.53, respectively. It may help to review the structures of these three amino acids before answering this question.

Abullet found at a crime scene may be used as evidence in a trial if the percentage of metals match to the composition of metals in a bullet from the suspect's ammunition. a forensic scientist's analysis of the bullet shows that it contains 11.9 g of lead, 0.5 g of tin, and 0.8 b of antimony. what is the percentage of lead metal in the bullet? express your answers to the one's place.

How many grams of magnesium metal will react completely with 8.3 liters of 5.5m hcl? show all work

Light waves can move through , but they travel fastest when they move through a(n) .