e previous 24 of 5 Item 24 Hints MyAnswers Give Up ReylePart Correct Elemental S

Question

e previous 24 of 5 Item 24 Hints MyAnswers Give Up ReylePart Correct Elemental S reacts with O to form SOs according to he reaction 2S +302-2S0 as depicted here Fiqure 1) Part B What is the theoretical yield of SOs producad by the quantles described in Part A7 Express your answer numerically in grems Limiting teactant you have excess S bécause all of the Oz has been used up Part C Figure 1 ol 1 a situation in which all of the S is consumed before all of the Oz reacts, or one in which For each of he given stuations, indicate whether S or Og is the hmting reactant each item to the appropriate bin. Salter

Explanation / Answer

1)

PART B

SO3; theoretical yield

the theoretical yield is 2 mol of SO3

PART C

If all S consumer before O2, then S is the limiting reactant and O2 is excess reactant

2

A)

mass o NH3

mol of H2 = 1.33

mol of N2 = 3.4

reaction N2 + 3H2 = 2NH3

the ratio between N2 and H3 is 1/3

1.33 mol of H2 needs = 1/3*1.33 = 0.4433 mol of NH3

then we form for ever mol of N2, 2 mol of NH3

0.4433 mol of N2 forms 0.4433 *2 = 0.8866 mol of NH3

Mw of NH3 = 17 g/mol

mass = mol*MW = 0.8866*17= 15.0722 g of NH3

B)

mol of H2 = initial - reacted = 1.33 - 1.33 = 0 mol of H2 are left

mass = 0 g of H2

C)

mol of N2 = initial -. reacted

mol of N2 =3.4-0.4433 = 2.9567 mol of N2

mass = mol*MW = 2.9567*28 = 82.7876 g of N2 left

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