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10. What volume of oxygen at STP is needed to completely bum 15 g of methanol burner? (CO₂+ H₂O are products) 16 L ma onde

10. What volume of oxygen at STP is needed to completely bum 15 g of methanol burner? (CO₂+ H₂O are products) 16 L ma onde

Chemistry: An Atoms First Approach
Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter8: Gases
Section: Chapter Questions
Problem 130AE
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10. What volume of oxygen at STP is needed to completely burn 15 g of methanol (CH₂ burner? (CO₂+ H₂O are products) 16 L 11. Nitroglycerin explodes according to: 4 C3H5(NO3)3(1)→ 12 CO2(g) + 6 N2 + 10 H₂O + O2(g) Z a) Calculate the volume, at STP, of each product formed by the reaction of 100 g of C,H,(NO3)3. CO₂ = 30 L, N₂ = 15 L, H₂O = 25 L and O₂ = 2 L b) 200 g of C,H,(NO₂),is ignited (and completely decomposes) in an otherwise empty 50 L gas cylinder. What will the pressure in the cylinder be if the temperature stabilizes at 220°C? 500 kPa 12. When sodium chloride is heated to 800°C it can be electrolytically decomposed into Na metal & chlorine (Cl₂) gas. What volume of chlorine gas is produced (at 800°C and 100 kPa) if 105 g of Na is also produced? 200 L 13. What mass of propane (C₂H₂) can be burned using 100L of air at SATP? 7 g Note: 1) air is 20% O₂, so 100 L of air holds 20L O₂, 2) CO₂ and H₂O are the products of this reaction. 14. A 5.0 L tank holds 13 atm of propane (C3Ha) at 10°C. What volume of O₂ at 10°C& 103 kPa will be required to react with all of the propane? 320 L
Transcribed Image Text:10. What volume of oxygen at STP is needed to completely burn 15 g of methanol (CH₂ burner? (CO₂+ H₂O are products) 16 L 11. Nitroglycerin explodes according to: 4 C3H5(NO3)3(1)→ 12 CO2(g) + 6 N2 + 10 H₂O + O2(g) Z a) Calculate the volume, at STP, of each product formed by the reaction of 100 g of C,H,(NO3)3. CO₂ = 30 L, N₂ = 15 L, H₂O = 25 L and O₂ = 2 L b) 200 g of C,H,(NO₂),is ignited (and completely decomposes) in an otherwise empty 50 L gas cylinder. What will the pressure in the cylinder be if the temperature stabilizes at 220°C? 500 kPa 12. When sodium chloride is heated to 800°C it can be electrolytically decomposed into Na metal & chlorine (Cl₂) gas. What volume of chlorine gas is produced (at 800°C and 100 kPa) if 105 g of Na is also produced? 200 L 13. What mass of propane (C₂H₂) can be burned using 100L of air at SATP? 7 g Note: 1) air is 20% O₂, so 100 L of air holds 20L O₂, 2) CO₂ and H₂O are the products of this reaction. 14. A 5.0 L tank holds 13 atm of propane (C3Ha) at 10°C. What volume of O₂ at 10°C& 103 kPa will be required to react with all of the propane? 320 L
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