Balance this equation NaCl(s) + H2SO4(aq) —> Na2SO4(s) + HCl(g) if 32.5g of sulphuric acid are reacted, and 15.5g HCl is produced, what is the percent yield for this reaction? HINT: determine the limiting reactant first and use this reactant to calculate the theoretical yield.

Quiz1. which physical state of nitrogen has the highest entropy? a solid© b gasoc liquid

Given the following at 25c calculate delta hf for hcn (g) at 25c. 2nh3 (g) +3o2 (g) + 2ch4 (g) > 2hcn (g) + 6h2o (g) delta h rxn= -870.8 kj. delta hf=-80.3 kj/mol for nh3 (g), -74.6 kj/mol for ch4, and -241.8 kj/mol for h2o (g)

#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.