2. Silicon nitride is a very hard, high-temperature-resistant ceramic used as a component of turbine blades in jet engines. It is prepared according to the following equation: moi ratio 3Si(s)+2N₂(g) Si,N4(s) Which is the limiting reactant when 2.00 g of Si and 1.50 g of N₂ react and how many grams of trisilicon tetranitride will form? mw Si= 28 g/mol mw A/₂ = 28 g/mol Si= 38.885(7) 2.00g 511 mois: 1 moi Si Ny|112,26995 5289 si 3 moi Sim 1112,26995i 3/4- C' 2 درالي
2. Silicon nitride is a very hard, high-temperature-resistant ceramic used as a component of turbine blades in jet engines. It is prepared according to the following equation: moi ratio 3Si(s)+2N₂(g) Si,N4(s) Which is the limiting reactant when 2.00 g of Si and 1.50 g of N₂ react and how many grams of trisilicon tetranitride will form? mw Si= 28 g/mol mw A/₂ = 28 g/mol Si= 38.885(7) 2.00g 511 mois: 1 moi Si Ny|112,26995 5289 si 3 moi Sim 1112,26995i 3/4- C' 2 درالي
Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Section: Chapter Questions
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![9. Silicon nitride is a very hard, high-temperature-resistant ceramic used as a component of turbine blades in jet
engines. It is prepared according to the following equation:
3Si(s)+2N2(g) →Si3N4(s)
Which is the limiting reactant when 2.00 g of Si and 1.50 g of N₂ react and how many grams of trisilicon tetranitride
will form?
mw si = 28 g/mol
mw A/₂ = 28 g/mol
200g S1 1 Mois 1 moi Siz Ny| 112,26995i 3/4-
1.528 g Si 3 mai S
mal si 3N 4
N₂ =
Use the reactions here to determine the AH for reaction (i):
1.50g N₂ 1 mol N₂
1289 N₂
2 mol N₂.
10. Chlorine monofluoride can react with fluorine to form chlorine trifluoride:
(i) CIF(g)+F₂(g)→→ClF3(g)
20F2(g)→O₂(g)+2F2(g)
1/2 x 02(g) +2F2(g) →720fz (g)
1/2 02(g) + f₂(g) → Of 2 (g)
(2) 2CIF(g)+O₂(g)-Cl₂O(g)+OF2(g)
3/
moi ratio
ΔΗ° = -49.4kJ
AH-1/2 x (+49.4 kJ)
AH+24.7KJ
ΔΗ° = +205.6 kJ
1/2 x 2 (1 f(g) + O2(g) →) C1₂ O(g) + Of ₂(g)
AH = V/2 x (+ 205.6kJ)
Cif(g) + 1/2O2(g) → 1/2 C1₂0 (g) + 1/2 of 2(g) [AH = +102.8KS
(3.) 2C1F3(g)+202(g)-Cl₂O(g)+30F2(g)
ΔΗ° =+266.7 kJ
1/2 x C10(g) + 30 f2 → Clf 3 (g) + 20₂ (g) AH = V2X (-266.713)
1/2 C1₂0199 + 3/2 of 2(g) (if 3 (g) 10₂(g) (H = -133.35 kJ
10 a
Germanium - IS²25²2 P. 35² 3p645²3d¹04p²
પડ
2 110 2
4P
Noble Gas: [Ar] 45²30
74 74 74 74 74 7
Si= 28.085(3) - 112.269
N = 14.007 (4)
exothermic AH
G
AH (18+ AH(2) + AH (3)
= (+24.7) + (+102.8) + (-133.7
AHO=-5.85K
2
Meat released
Is reaction (i) endothermic or exothermic?
Place the heat component into the proper place in equation (i):
(1) CIF (g) + F₂ (g) →) C1 f3 (g) +5.85kJ
11. Give the electron configurations (full & noble gas), and full orbital diagrams for: Atomic #32
747424 74 74174274 111
125²
ħ110
-18
SO
PI
d 2
f 3](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffd1fcce0-652c-409d-a68b-809a52cd49b9%2Fc729e077-0016-44a7-b47f-2ce5ab64100e%2Fj0jrd1p_processed.jpeg&w=3840&q=75)
Transcribed Image Text:9. Silicon nitride is a very hard, high-temperature-resistant ceramic used as a component of turbine blades in jet
engines. It is prepared according to the following equation:
3Si(s)+2N2(g) →Si3N4(s)
Which is the limiting reactant when 2.00 g of Si and 1.50 g of N₂ react and how many grams of trisilicon tetranitride
will form?
mw si = 28 g/mol
mw A/₂ = 28 g/mol
200g S1 1 Mois 1 moi Siz Ny| 112,26995i 3/4-
1.528 g Si 3 mai S
mal si 3N 4
N₂ =
Use the reactions here to determine the AH for reaction (i):
1.50g N₂ 1 mol N₂
1289 N₂
2 mol N₂.
10. Chlorine monofluoride can react with fluorine to form chlorine trifluoride:
(i) CIF(g)+F₂(g)→→ClF3(g)
20F2(g)→O₂(g)+2F2(g)
1/2 x 02(g) +2F2(g) →720fz (g)
1/2 02(g) + f₂(g) → Of 2 (g)
(2) 2CIF(g)+O₂(g)-Cl₂O(g)+OF2(g)
3/
moi ratio
ΔΗ° = -49.4kJ
AH-1/2 x (+49.4 kJ)
AH+24.7KJ
ΔΗ° = +205.6 kJ
1/2 x 2 (1 f(g) + O2(g) →) C1₂ O(g) + Of ₂(g)
AH = V/2 x (+ 205.6kJ)
Cif(g) + 1/2O2(g) → 1/2 C1₂0 (g) + 1/2 of 2(g) [AH = +102.8KS
(3.) 2C1F3(g)+202(g)-Cl₂O(g)+30F2(g)
ΔΗ° =+266.7 kJ
1/2 x C10(g) + 30 f2 → Clf 3 (g) + 20₂ (g) AH = V2X (-266.713)
1/2 C1₂0199 + 3/2 of 2(g) (if 3 (g) 10₂(g) (H = -133.35 kJ
10 a
Germanium - IS²25²2 P. 35² 3p645²3d¹04p²
પડ
2 110 2
4P
Noble Gas: [Ar] 45²30
74 74 74 74 74 7
Si= 28.085(3) - 112.269
N = 14.007 (4)
exothermic AH
G
AH (18+ AH(2) + AH (3)
= (+24.7) + (+102.8) + (-133.7
AHO=-5.85K
2
Meat released
Is reaction (i) endothermic or exothermic?
Place the heat component into the proper place in equation (i):
(1) CIF (g) + F₂ (g) →) C1 f3 (g) +5.85kJ
11. Give the electron configurations (full & noble gas), and full orbital diagrams for: Atomic #32
747424 74 74174274 111
125²
ħ110
-18
SO
PI
d 2
f 3
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