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Directions: Complete each of the following problems. Reminder you must have a balanced equation to do stoichiometry problems. Show all work including all appropriate sig figs and units. 1. Given 2 Li (s) + 2 H₂O (1)→2 LiOH (aq) + H₂ (g) a. How many moles of H₂ will be produced by the complete reaction of 2.24 mole Li with excess water? b. How many grams of H₂O will be required to produce 57.80 grams of lithium hydroxide?

Directions: Complete each of the following problems. Reminder you must have a balanced equation to do stoichiometry problems. Show all work including all appropriate sig figs and units. 1. Given 2 Li (s) + 2 H₂O (1)→2 LiOH (aq) + H₂ (g) a. How many moles of H₂ will be produced by the complete reaction of 2.24 mole Li with excess water? b. How many grams of H₂O will be required to produce 57.80 grams of lithium hydroxide?

Introductory Chemistry: An Active Learning Approach
Introductory Chemistry: An Active Learning Approach
6th Edition
ISBN:9781305079250
Author:Mark S. Cracolice, Ed Peters
Publisher:Mark S. Cracolice, Ed Peters
Chapter10: Quantity Relationships In Chemical Reactions
Section: Chapter Questions
Problem 70E: Classify each of the following statements as true or false: a Coefficients in a chemical equation...
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:29 PM Sun Nov 12 toichiometry Worksheet SU23 ✓ Name: Delana Baileys Section: N8883 Directions: Complete each of the following problems. Reminder you must have a balanced equation to do stoichiometry problems. Show all work including all appropriate sig figs and units. Stoichiometry Worksheet b. How many grams of H₂O will be required to produce 57.80 grams of lithium hydroxide? 1. Given 2 Li (s) + 2 H₂O (1)→2 LiOH (aq) + H₂ (g) a. How many moles of H₂ will be produced by the complete reaction of 2.24 mole Li with excess water? 2. Urea, (NH2)2CO, is prepared by reacting ammonia with carbon dioxide as shown b 2 NH3 (g) + CO2 (g)--> (NH₂)2CO (aq) + H₂O (1) In one process, 927 g of NH3 are treated with 1255 g of CO2. a. How many grams of (NH2)2CO are produced? b. How much excess reagent, in grams, is left at the end of the a. 62% Done 3. The reaction between aluminum and iron(III) oxide can generate temperatures approaching 3000°C and is used in welding metals. 2 Al + Fe₂O3 --> Al2O3 + 2 Fe Calculate the mass of Al2O3 that is produced by reacting 182 g of Al with 648 g of Fe₂O3? b. How many grams of the excess reagent is left at the end of the reaction? Sommer 2023
Transcribed Image Text::29 PM Sun Nov 12 toichiometry Worksheet SU23 ✓ Name: Delana Baileys Section: N8883 Directions: Complete each of the following problems. Reminder you must have a balanced equation to do stoichiometry problems. Show all work including all appropriate sig figs and units. Stoichiometry Worksheet b. How many grams of H₂O will be required to produce 57.80 grams of lithium hydroxide? 1. Given 2 Li (s) + 2 H₂O (1)→2 LiOH (aq) + H₂ (g) a. How many moles of H₂ will be produced by the complete reaction of 2.24 mole Li with excess water? 2. Urea, (NH2)2CO, is prepared by reacting ammonia with carbon dioxide as shown b 2 NH3 (g) + CO2 (g)--> (NH₂)2CO (aq) + H₂O (1) In one process, 927 g of NH3 are treated with 1255 g of CO2. a. How many grams of (NH2)2CO are produced? b. How much excess reagent, in grams, is left at the end of the a. 62% Done 3. The reaction between aluminum and iron(III) oxide can generate temperatures approaching 3000°C and is used in welding metals. 2 Al + Fe₂O3 --> Al2O3 + 2 Fe Calculate the mass of Al2O3 that is produced by reacting 182 g of Al with 648 g of Fe₂O3? b. How many grams of the excess reagent is left at the end of the reaction? Sommer 2023
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