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1. In the combustion of methane, how many moles of O₂ are required if 6.75 mol of CH4 is to be completely consumed in the reaction?

1. In the combustion of methane, how many moles of O₂ are required if 6.75 mol of CH4 is to be completely consumed in the reaction?

Introductory Chemistry: A Foundation
Introductory Chemistry: A Foundation
9th Edition
ISBN:9781337399425
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Donald J. DeCoste
Chapter9: Chemical Quantities
Section: Chapter Questions
Problem 15ALQ: Consider the balanced chemical equation :math>A+5B3C+4D en equal masses of A and B are reacted,...
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1. In the combustion of methane, how many moles of O₂ are required if 6.75 mol of CH4 is to be completely consumed in the reaction? 2. How many grams of water can be produced if sufficient hydrogen reacts with 26.0 g of Oxygen? 3. Tetraphosp[orous trisulfide, PS3, is used in the manufacture of "strike anywhere" matches. Elemental phosphorous and sulfur react directly to form P4S3: 8P4+3 S8 PS₁ If we have 153 g of Ss and excess of phosphorous, what mass of P4S3 can be produced by this reaction? 4. Copper reacts with nitric acid via the following equation: 3Cu(s) + 8HNO3(aq) = 3Cu(NO3)2 + 2NO+4H₂O(1) What mass of NO (g) can be formed when 10.0g of Cu react with 115g HNO3? 5. If 43.3 mg of Al(OH)3 react with 14.6 mg of HCl, how much AlCl3 is formed? Al(OH)3 + HCl = AlCl3 + 3H₂O 6. Using the following equation: NalO3 + 6 HI ------------> 3 1₂ + Nal + 3 H₂O Calculate the number of moles and the number made this way from 16.4 grams of NalO3. 7. MTBE (methyl tertiary-butyl alcohol) is used as an additive in the gasoline sold in several gasoline stations in the city. The compound is produced by reacting methanol and isobutene, based on the following equation: grams of iodine (1₂) that can be CH₂OH + (CH3)2C==CH₂ Methanol isobutene >(CH₂)3COCH3 MTBE If 45.0 kg of methanol are allowed to react with 70.okg of isobutene, what is the maximum mass of MTBE that can be obtained? For the reaction: H₂ +Cl₂-2HCl, 3.7 moles of H₂ are mixed with excess HCL. How many moles of HCl can be formed? 8. For the following reactions, determine the value of "x". a. 4C+S4CS₂ 3.2 mol Ss yields xmol of CS₂ b. N₂H₂ + 30₂ → 2NO₂ + 2H₂O 7.3 mol O₂ yield x mol NO₂
Transcribed Image Text:1. In the combustion of methane, how many moles of O₂ are required if 6.75 mol of CH4 is to be completely consumed in the reaction? 2. How many grams of water can be produced if sufficient hydrogen reacts with 26.0 g of Oxygen? 3. Tetraphosp[orous trisulfide, PS3, is used in the manufacture of "strike anywhere" matches. Elemental phosphorous and sulfur react directly to form P4S3: 8P4+3 S8 PS₁ If we have 153 g of Ss and excess of phosphorous, what mass of P4S3 can be produced by this reaction? 4. Copper reacts with nitric acid via the following equation: 3Cu(s) + 8HNO3(aq) = 3Cu(NO3)2 + 2NO+4H₂O(1) What mass of NO (g) can be formed when 10.0g of Cu react with 115g HNO3? 5. If 43.3 mg of Al(OH)3 react with 14.6 mg of HCl, how much AlCl3 is formed? Al(OH)3 + HCl = AlCl3 + 3H₂O 6. Using the following equation: NalO3 + 6 HI ------------> 3 1₂ + Nal + 3 H₂O Calculate the number of moles and the number made this way from 16.4 grams of NalO3. 7. MTBE (methyl tertiary-butyl alcohol) is used as an additive in the gasoline sold in several gasoline stations in the city. The compound is produced by reacting methanol and isobutene, based on the following equation: grams of iodine (1₂) that can be CH₂OH + (CH3)2C==CH₂ Methanol isobutene >(CH₂)3COCH3 MTBE If 45.0 kg of methanol are allowed to react with 70.okg of isobutene, what is the maximum mass of MTBE that can be obtained? For the reaction: H₂ +Cl₂-2HCl, 3.7 moles of H₂ are mixed with excess HCL. How many moles of HCl can be formed? 8. For the following reactions, determine the value of "x". a. 4C+S4CS₂ 3.2 mol Ss yields xmol of CS₂ b. N₂H₂ + 30₂ → 2NO₂ + 2H₂O 7.3 mol O₂ yield x mol NO₂
Volume to volume and gram-volume/ Molecular and Empirical Formula Determination 9. How many liters of ammonia will be produced from 15 grams of hydrogen? 10. Butane, C₂H10, is combusted with Oxygen forming CO₂ and water. How many liters of CO₂ are formed when 7.8 L of butane react? 11. How many grams of nitrogen are required to react completely with 6.5 liters of hydrogen in forming ammonia? 12. Nicotine, an alkaloid in the nightshade family of plants that is mainly responsible for the addictive nature of cigarettes, contains 74.02% C, 8.710 % H, and 17.27% N. If 40.57 g of nicotine contains 0.2500 mol nicotine, what is the molecular formula? 13. What is the empirical formula of a compound containing 40.0% C, 6.71% H, and 53.28% O?
Transcribed Image Text:Volume to volume and gram-volume/ Molecular and Empirical Formula Determination 9. How many liters of ammonia will be produced from 15 grams of hydrogen? 10. Butane, C₂H10, is combusted with Oxygen forming CO₂ and water. How many liters of CO₂ are formed when 7.8 L of butane react? 11. How many grams of nitrogen are required to react completely with 6.5 liters of hydrogen in forming ammonia? 12. Nicotine, an alkaloid in the nightshade family of plants that is mainly responsible for the addictive nature of cigarettes, contains 74.02% C, 8.710 % H, and 17.27% N. If 40.57 g of nicotine contains 0.2500 mol nicotine, what is the molecular formula? 13. What is the empirical formula of a compound containing 40.0% C, 6.71% H, and 53.28% O?
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