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Pre-Lab Assignment, Lab 3 (detach and submit to your TA at the beginning of your lab...
Question 4. Tear this page out of your laboratory manual and submit it to your TA...
Question 4.
Tear this page out of your laboratory manual and submit it to your TA with your answers. B. Post-Lab Assessment Questions: (20 pts) 1. A reaction between sodium hydroxide and hydrochloric acid produces sodium chloride and water. a) (2 pts) Write the balanced chemical equation for this reaction. b) (3 pts) If 22.85 g of sodium hydroxide reacts completely with 20.82 g of hydrochloric acid to form 10.29 g of water, what mass of sodium chloride is formed...
Pre-Lab Assignment 1 (detach and submit to your TA at the beginning of your lab session)...
Pre-Lab Assignment 1 (detach and submit to your TA at the beginning of your lab session) Name: Date: 2009.2019 TA: Given the structures of benzophenone and biphenyl (shown below), answer the following questions. blphenyi benzophenone 1. Which of the two structures is more polar and explain why? 2. Which structure would be expected to have a higher R value on a polar TLC plate (ex: silica, alumina) and why? 3. Why is it recommended to spot the analyte on the...
interpretation of a chemical change and nomenclature report pagea Interpretation of a Chemical Change & Nomenclature...
interpretation of a chemical change and nomenclature report
pagea
Interpretation of a Chemical Change & Nomenclature Report Pages Observations: Reaction Appearance Touch (Hot, cold, or no change) Smell (Describe) Did reaction occur? (yes/no) 1. List the reactions (by number) that: a. formed a precipitate: b. changed color: c. produced a gas: d. were endothermic: e. were exothermic: 2. Name the following: RbCI Fe(NO3)2 Ag2804_ KOH Mg3N2 3. Write the chemical formulas for: Sodium sulfate: Hydrochloric acid: Copper (II) chloride: Calcium...
Write a balanced chemical equation for each reaction in the experiment. Include the states of all...
Write a balanced chemical equation for each reaction in the experiment. Include the states of all materials. the precipitation reaction between copper(II) nitrate and sodium hydroxide making a precipitate of copper(II) hydroxide and aqueous sodium nitrate the single displacement and oxidation-reduction reaction between excess aqueous hydrochloric acid and aluminum metal to make aqueous aluminum chloride and hydrogen gas the single displacement and oxidation-reduction reaction between aqueous copper(II) chloride and aluminum metal to make aqueous aluminum chloride and metallic copper the...
Write a balanced chemical equation for each of the following reactions: 1. Hydrogen + chlorine hydrogen...
Write a balanced chemical equation for each of the following reactions: 1. Hydrogen + chlorine hydrogen chloride 2. Hydrogen + nitrogen — ammonia 3. Carbon + steam → carbon monoxide + hydrogen 4. Calcium oxide + water calcium hydroxide 5. Phosphorus + oxygen → diphosphorus pentoxide 6. Aluminum sulfate + calcium hydroxide → aluminum hydroxide + calcium sulfate 7. Aluminum + oxygen aluminum oxide 8. Sodium peroxide + water sodium hydroxide + oxygen 9. Copper + concentrated sulfuric acid →...
pre lab #2 & #3 vvith the end point of the titration, you can calculate the...
pre lab #2 & #3
vvith the end point of the titration, you can calculate the number on" of sodium hydroxide delivered from the stoichiometry. LEARNING OUTCOMES 1. Understand the concepts of an acid-base reaction and titration 2. Know what the end point is and how it applies to stoichiometry 3. Determine the acetic acid content in vinegar 4. Demonstrate correct titration technique 5. Use group data to draw a conclusion of the "best buy" brand of vinegar PRE-LABORATORY ASSIGNMENT...
Name Experiment 5- Post-lab Questions 1. In Reaction B, you observed magnesium metal reacting with a...
Name Experiment 5- Post-lab Questions 1. In Reaction B, you observed magnesium metal reacting with a hydrochloric acid solution to produce hydrogen gas and a magnesium chloride solution. Another reaction that has a gaseous product is the reaction of a hydrochloric acid solution (HCl(ag)) with sodium sulfite (Na,so,(ag)) solution to produce a sodium chloride solution (NaCl(aq)) and gaseous sulfur dioxide (S0,(g)). Write a balanced chemical equation for this reaction. 2. The sulfur dioxide produced by aqueous chemistry in the previous...
Standardization of a Sodium Hydroxide Solution Section Name Score Date Post-lab Assignment 1. Calculate the molarity...
Standardization of a Sodium Hydroxide Solution Section Name Score Date Post-lab Assignment 1. Calculate the molarity of a barium hydroxide solution if you used 41.65 mL of it to neutralize 1.190 g of potassium hydrogen phthalate. Ba(OH)2(aq) + 2 KHC4H6O4(aq) + BaC,H,O4(aq) + K2CH4O4(aq) + 2 H300) 2. Write a balanced chemical equation for the reaction of hydrochloric acid with sodium hydroxide. 3. Calculate the molarity of a hydrochloric acid solution if 34.21 mL of 0.0431M sodium hydroxide neutralizes 25.00...
PRELAB QUESTIONS 1. Read the Background and Words You Should Know section carefully, and then, on...
PRELAB QUESTIONS 1. Read the Background and Words You Should Know section carefully, and then, on a separate sheet or sheets of paper, define, in your own words, the following terms: a. chemical reaction b. chemical change c. physical change d. change of state e. reactant f. product g. aqueous h. solvent i. formula unit j. exothermic k. endothermic 1. exergonic m. endergonic 2. Write the chemical formulas for the following: h aluminum 2. Write the chemical formulas for the...
BA 25.3 An Introduction to Chemical Reactions Page 9 of 12 PRELAB QUESTIONS Read the Background and Words You Shoul...
BA 25.3 An Introduction to Chemical Reactions Page 9 of 12 PRELAB QUESTIONS Read the Background and Words You Should Know section carefully, and then, on a separate, sheet or sheets of paper define, in your own words, the following terms: a. chemical reaction b. chemical change c. physical change d. change of state e. reactant f. product 5. aqueous h. solvent i. formula unit J. exothermic k endothermic I exergonic m. endergonic 2. Write the chemical formulas for the...
Question 4.
Tear this page out of your laboratory manual and submit it to your TA with your answers. B. Post-Lab Assessment Questions: (20 pts) 1. A reaction between sodium hydroxide and hydrochloric acid produces sodium chloride and water. a) (2 pts) Write the balanced chemical equation for this reaction. b) (3 pts) If 22.85 g of sodium hydroxide reacts completely with 20.82 g of hydrochloric acid to form 10.29 g of water, what mass of sodium chloride is formed...
Pre-Lab Assignment 1 (detach and submit to your TA at the beginning of your lab session) Name: Date: 2009.2019 TA: Given the structures of benzophenone and biphenyl (shown below), answer the following questions. blphenyi benzophenone 1. Which of the two structures is more polar and explain why? 2. Which structure would be expected to have a higher R value on a polar TLC plate (ex: silica, alumina) and why? 3. Why is it recommended to spot the analyte on the...
interpretation of a chemical change and nomenclature report
pagea
Interpretation of a Chemical Change & Nomenclature Report Pages Observations: Reaction Appearance Touch (Hot, cold, or no change) Smell (Describe) Did reaction occur? (yes/no) 1. List the reactions (by number) that: a. formed a precipitate: b. changed color: c. produced a gas: d. were endothermic: e. were exothermic: 2. Name the following: RbCI Fe(NO3)2 Ag2804_ KOH Mg3N2 3. Write the chemical formulas for: Sodium sulfate: Hydrochloric acid: Copper (II) chloride: Calcium...
Write a balanced chemical equation for each of the following reactions: 1. Hydrogen + chlorine hydrogen chloride 2. Hydrogen + nitrogen — ammonia 3. Carbon + steam → carbon monoxide + hydrogen 4. Calcium oxide + water calcium hydroxide 5. Phosphorus + oxygen → diphosphorus pentoxide 6. Aluminum sulfate + calcium hydroxide → aluminum hydroxide + calcium sulfate 7. Aluminum + oxygen aluminum oxide 8. Sodium peroxide + water sodium hydroxide + oxygen 9. Copper + concentrated sulfuric acid →...
pre lab #2 & #3
vvith the end point of the titration, you can calculate the number on" of sodium hydroxide delivered from the stoichiometry. LEARNING OUTCOMES 1. Understand the concepts of an acid-base reaction and titration 2. Know what the end point is and how it applies to stoichiometry 3. Determine the acetic acid content in vinegar 4. Demonstrate correct titration technique 5. Use group data to draw a conclusion of the "best buy" brand of vinegar PRE-LABORATORY ASSIGNMENT...
Name Experiment 5- Post-lab Questions 1. In Reaction B, you observed magnesium metal reacting with a hydrochloric acid solution to produce hydrogen gas and a magnesium chloride solution. Another reaction that has a gaseous product is the reaction of a hydrochloric acid solution (HCl(ag)) with sodium sulfite (Na,so,(ag)) solution to produce a sodium chloride solution (NaCl(aq)) and gaseous sulfur dioxide (S0,(g)). Write a balanced chemical equation for this reaction. 2. The sulfur dioxide produced by aqueous chemistry in the previous...
Standardization of a Sodium Hydroxide Solution Section Name Score Date Post-lab Assignment 1. Calculate the molarity of a barium hydroxide solution if you used 41.65 mL of it to neutralize 1.190 g of potassium hydrogen phthalate. Ba(OH)2(aq) + 2 KHC4H6O4(aq) + BaC,H,O4(aq) + K2CH4O4(aq) + 2 H300) 2. Write a balanced chemical equation for the reaction of hydrochloric acid with sodium hydroxide. 3. Calculate the molarity of a hydrochloric acid solution if 34.21 mL of 0.0431M sodium hydroxide neutralizes 25.00...
PRELAB QUESTIONS 1. Read the Background and Words You Should Know section carefully, and then, on a separate sheet or sheets of paper, define, in your own words, the following terms: a. chemical reaction b. chemical change c. physical change d. change of state e. reactant f. product g. aqueous h. solvent i. formula unit j. exothermic k. endothermic 1. exergonic m. endergonic 2. Write the chemical formulas for the following: h aluminum 2. Write the chemical formulas for the...
BA 25.3 An Introduction to Chemical Reactions Page 9 of 12 PRELAB QUESTIONS Read the Background and Words You Should Know section carefully, and then, on a separate, sheet or sheets of paper define, in your own words, the following terms: a. chemical reaction b. chemical change c. physical change d. change of state e. reactant f. product 5. aqueous h. solvent i. formula unit J. exothermic k endothermic I exergonic m. endergonic 2. Write the chemical formulas for the...
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