Guided Practice Directions: Complete all problems. Ensure your work is shown, and proper units are applied. 1) What volume of O2 is produced when 47.2 g of hydrogen peroxide (H₂O2) decomposes to form water and oxygen at 160°C and 2.0 atm? 2_H2Oz (aq) — 2_H2O (I) + |_ O2 (g) "n" (PV=nRT> 1) Stoich 47.2 g H₂02 mol H₂ 1 2) P₁₂V=nRT₂ P=2.0 atm n=0.6941 mol O₂ h = 0.0821... T=433K Ind 0₂ 349H₂0₂² 2 mol H₂0₂ X V=ORT V= (0.6941)(0,0821) (433) (2.0) =12,34 102=0.6941 mol O₂ 8) Find out what mass of CaSO3 must have been present initially in order for a factory to produce 1.39x102 L of SO2 gas at a temperature of 14.2°C and a pressure of 1.10 atm. K CaSO3 (s) → ___CaO (s) + SO₂ (g)

General Chemistry - Standalone book (MindTap Course List)
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Chapter5: The Gaseous State
Section: Chapter Questions
Problem 5.161QP
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Please help me set up and solve #8 as done in top problem
Guided Practice
Directions: Complete all problems. Ensure your work is shown, and proper units are
applied.
1) What volume of O₂ is produced when 47.2 g of hydrogen peroxide (H₂O2)
decomposes to form water and oxygen at 160°C and 2.0 atm?
2_H,Oz (aq) — 2_H2O (I) + | Oz (g)
"n" (PV=nRT>
1) Stoich
47.2 g H₂02 mol H₂
X
1
2) P₁₂V=nRT₂
P=2.0 atm
n=0.6941 mol O₂
b=0.0821...
T=433K
I mo 0₂
349H₂0₂² 2 mol H₂0₂
X
V = ORT
V= (0.6941)(0.08210 (433)
(2.0)
=12,34
102=0.6941
mol O₂
8) Find out what mass of CaSO3 must have been present initially in order for a
factory to produce 1.39x102 L of SO2 gas at a temperature of 14.2°C and a
pressure of 1.10 atm.
K
_CaSO3 (s) → ___CaO (s) +
SO₂ (g)
Transcribed Image Text:Guided Practice Directions: Complete all problems. Ensure your work is shown, and proper units are applied. 1) What volume of O₂ is produced when 47.2 g of hydrogen peroxide (H₂O2) decomposes to form water and oxygen at 160°C and 2.0 atm? 2_H,Oz (aq) — 2_H2O (I) + | Oz (g) "n" (PV=nRT> 1) Stoich 47.2 g H₂02 mol H₂ X 1 2) P₁₂V=nRT₂ P=2.0 atm n=0.6941 mol O₂ b=0.0821... T=433K I mo 0₂ 349H₂0₂² 2 mol H₂0₂ X V = ORT V= (0.6941)(0.08210 (433) (2.0) =12,34 102=0.6941 mol O₂ 8) Find out what mass of CaSO3 must have been present initially in order for a factory to produce 1.39x102 L of SO2 gas at a temperature of 14.2°C and a pressure of 1.10 atm. K _CaSO3 (s) → ___CaO (s) + SO₂ (g)
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