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no more information is given 21 Question (Practice) See page 205 Igniting gunpow

ID: 1079546 • Letter: N

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21 Question (Practice) See page 205 Igniting gunpowder produces nitrogen and carbon dioxide gas that propels a bullet by the reaction 2KNO,(s)--S(s) + 3C(s)- K,S(s) +N,(g) + 3CO2 (g) 3rd attempt Part 1 See Periodic Table Q See Hint If 3.45 g of KNO3 reacts with sufficient sulfur(S8) and carbon (C), how much P-Vwork will the gases do against an external pressure of 1.00 atm given the densities of nitrogen and carbon dioxide are 1.165 g/L and 1.830 g/L, respectively, at 20°C? kJ Part 2 See Hint If the reaction produces 74.5 kJ of heat, what is Efor the system? kj

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no more information is given 21 Question (Practice) See page 205 Igniting gunpow