Which of the following is the correct definition for effusion? gas molecules mix

Question

Which of the following is the correct definition for effusion? gas molecules mix unequally gas molecules mix equally gas molecules spread out in a concentration gradient gas molecules escape from a container into a vacuum through a small hole What is the total volume of all gases that are produced when 32.0 mL of C_3H_5(NO_3)_3 reacts as shown in the reaction below. Assume standard temp and pressure. (d=1.60 g/mL, molar mass=227.10 g/mol) 4C_3H_5(NO_3)_3(l) rightarrow 6N_2(g) + O_2 (g) + 12 CO_2 (g) + 10 H_2O(g) C_3H_3(NO_3)_3 4C_3H_5(NO_3)_3(l) rightarrow 6N_2(g) + O_2(g) + 12 CO_2(g) + 10 H_2 O(g)

Explanation / Answer

22) gas molecules escape from a container into a vaccum through a small hole.

23) mass of C3h5(NO3)3 = 32*1.6 = 51.2 grams

No of mol of C3h5(NO3)3 = 51.2/227.0865 = 0.225 mol

No of mol of gases released = 0.225*(6/4)+0.225*(1/4)+0.225*(12/4)+0.225*(10/4)

                  = 1.631 mol

volume of gases = 1.631*0.0821*273.15/1 = 36.6 L

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