G ) At a pH of 2.02 estimate the % protonation of the carboxy functional group and the % protonation of the amine functional group, respectively, on the amino acid, arginine. Carboxyl Amine a. 100%, 0 % b. 0 %, 100 % c. 0 %, 50% d. 50%, 50% e. 50%, 100%

Compare and contrast physical changes with chemical changes.

The following reaction shows the products when sulfuric acid and aluminum hydroxide react. al(oh)3 + h2so4 → al2(so4)3 + h2o the table shows the calculated amounts of reactants and products when the reaction was conducted in a laboratory. sulfuric acid aluminum hydroxide initial amount of reactant 40 g 15 g theoretical yield of water from reactant 14.69 g 10.38 g what is the approximate amount of the leftover reactant? 11.73 g of sulfuric acid 10.33 g of sulfuric acid 11.12 g of aluminum hydroxide 13.67 g of aluminum hydroxide

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.