Show the calculation of a final temperature of the mixture when a 40.5 gram sample of water at 85.7 calculus is added to a 36.8 gram sample of water at 26.3 calculus and a coffee cup calorimeter

#7 how does the structure of amino acids allow them to form a polypeptide? each amino acid has an amino group and a carboxyl group. each amino acid has a hydrogen atom and a carboxyl group. each amino acid has a carboxyl group and an r group. each amino acid has an r group and a hydrogen atom.

Use the periodic table to determine how many grams of oxygen would be required to react completely with 859.0 g c2h2

Use the drop-down menus to label each of the following changes p for physical change and c for chemical change. the substance changes to a new substance. the original substance can be recovered. the color changes. gas is produced and given off. the substance changes size, shape, or volume.