Homework Answers
Dear Student,
For the given question i have given the answers and explained the things in brief so that you get clear idea of it.In second one rolaids was given its chemical composition is given rather than single one.
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ACID AND ALKALI CONTENT OF CONSUMER PRODU instructor: Date: Lab Section: RELAB ASSIGNMENT ame of the...
PRELAB ASSIGNMENT 1. For each product listed, provide the chemical formula and name of the acid...
PRELAB ASSIGNMENT 1. For each product listed, provide the chemical formula and name of the acid or base in that product Label each substance as an acid or a base. Consumer Product Substance Name Substance Formula Acid or Base? Lemon juice Rolaids antacid Tums antacid 2. In Part 1, you will use the observed solution color change due to phenolphthalein (colorless to pink, at the endpoint) to indicate the completion of each reaction. Due to the colors of the juices...
Name and give the structure of the acid or base in the following consumer products: (a)...
Name and give the structure of the acid or base in the following consumer products: (a) Tums antacid, (b) lemon juice, and (c) Rolaids antacid.
CH 112 Date Section Instructor Name Team Pre-Lab Questions 1. What is the difference between an...
CH 112 Date Section Instructor Name Team Pre-Lab Questions 1. What is the difference between an Arrhenius base and a Brønsted-Lowry base? 2. Why are acid-base reactions called neutralization reactions? 3. What does the pH of a solution tell you? : Properties of Acids and Bases Acid Base Neutral af with Unknown
CHE 1211 L-General, Organic and Biological Chemistry Lab PROTEINS AND AMINO ACIDS Name: Date: Lab Instructor:...
CHE 1211 L-General, Organic and Biological Chemistry Lab PROTEINS AND AMINO ACIDS Name: Date: Lab Instructor: Lab Section: PRELAB ASSIGNMENT 1. Draw the structure of the amino acid Serine (Ser), which has R -CH2-OH. Label the alpha carbon 2. Draw the dipeptide that forms between serine and alanine. The dipeptide sequence is Ser-Ala. Label the peptide bond. 3. How many amino acid residues are in a polypeptide containing 6 peptide bonds? How many peptide bonds are in a tripeptide?
Student Name Course/Section Date Instructor PRE-LAB ASSIGNMENT 1. A sample of an unknown liquid is vaporized...
Student Name Course/Section Date Instructor PRE-LAB ASSIGNMENT 1. A sample of an unknown liquid is vaporized in a 255-mL flask in a hot water bath at 100.0 C. The atmospheric pressure is 748 torr and the vapor is found to have a mass of 0.714 grams. What is the molecular mass of the vapor? 2 A gas is found to be 85.7 % carbon and 14.3 % hydrogen by mass. Its molecular mass was found to be 98.1 g/mol using...
PRE-LAB or POST-LAB QUIZ Name Instructor/Section PRE-LAB or POST-LAB QUIZ Multiple choice questions. Circle your answers....
PRE-LAB or POST-LAB QUIZ Name Instructor/Section PRE-LAB or POST-LAB QUIZ Multiple choice questions. Circle your answers. I. The process of carrying out an analysis where a measured volume of a chemical hav- ing an UNKNOWN concentration is reacted with a measured volume of a chemical having a KNOWN concentration is called a. the neutralization point. b. the equivalence point. c. the end point. d. a titration. 2. In volumetric analysis, the point at which the indicator changes color is called...
Name Lab Section Date PRE-LABORATORY ASSIGNMENT 1. Which of the chemicals used in this experiment have...
Name Lab Section Date PRE-LABORATORY ASSIGNMENT 1. Which of the chemicals used in this experiment have safety hazards associated with them? List the safety hazards for each chemical. This butto e variables shows the op left of th h to 330 ni 2. Define the following, and give a specific example of each. a. strong acid motometer Teads%T. chamber If a cuve b. weak acid in the sam Look at t the top mber whe ur cuvett c. Strong base...
ids: pre-laboratory assignment Relative Strengths of some Acids. prelaboratory as Instructor Name Section Date Basic solution...
ids: pre-laboratory assignment Relative Strengths of some Acids. prelaboratory as Instructor Name Section Date Basic solution 1. Define following terms a Bronsted-Lowry acid b. Bronsted-Lowry base g. Indicator с рН h. pH paper d. Neutral solution i. pH meter e. Acidic solution
Name Date Section Team Instructor Pre-Lab Study Questions 1. Why is the freezing of water called...
Name Date Section Team Instructor Pre-Lab Study Questions 1. Why is the freezing of water called a physical change! 2. Why are burning candles and rusting nails examples of chemical change 3. What is included in a chemical equation? 4. How does a combination reaction differ from a decomposition reaction? A. Magnesium and Oxygen A.1 Initial appearance of Mg Observations of the reaction Appearance of the product A.2 Balance: Mg(s) + ___0:) - -MgO(s) A.3 Type of reaction:
Name: Course/section: Lab Instructor Name: Date: Compl Qualitative tests for Saturated and Unsaturated Hydrocarbons Data Sheet...
Name: Course/section: Lab Instructor Name: Date: Compl Qualitative tests for Saturated and Unsaturated Hydrocarbons Data Sheet e Balanced Chemical Equation for Combustion A. Combustion Reaction Hydrocarbon Observation when ignited in the presence of oxygen Cyclohexane Very light smoke (CH2) Cyclohexene Dense black smoke (CH) Toluene Very dense black smke, (CH) Unknown Dense black smoke B B. Bromine Test Hydrocarbon Structural formula of product (if reaction occurs) Observations Cyclohexane (C6H12) Orange-red color of bromine stays Cyclohexene (C6H10) Orange-red color of bromine...
PRELAB ASSIGNMENT 1. For each product listed, provide the chemical formula and name of the acid or base in that product Label each substance as an acid or a base. Consumer Product Substance Name Substance Formula Acid or Base? Lemon juice Rolaids antacid Tums antacid 2. In Part 1, you will use the observed solution color change due to phenolphthalein (colorless to pink, at the endpoint) to indicate the completion of each reaction. Due to the colors of the juices...
CH 112 Date Section Instructor Name Team Pre-Lab Questions 1. What is the difference between an Arrhenius base and a Brønsted-Lowry base? 2. Why are acid-base reactions called neutralization reactions? 3. What does the pH of a solution tell you? : Properties of Acids and Bases Acid Base Neutral af with Unknown
CHE 1211 L-General, Organic and Biological Chemistry Lab PROTEINS AND AMINO ACIDS Name: Date: Lab Instructor: Lab Section: PRELAB ASSIGNMENT 1. Draw the structure of the amino acid Serine (Ser), which has R -CH2-OH. Label the alpha carbon 2. Draw the dipeptide that forms between serine and alanine. The dipeptide sequence is Ser-Ala. Label the peptide bond. 3. How many amino acid residues are in a polypeptide containing 6 peptide bonds? How many peptide bonds are in a tripeptide?
Student Name Course/Section Date Instructor PRE-LAB ASSIGNMENT 1. A sample of an unknown liquid is vaporized in a 255-mL flask in a hot water bath at 100.0 C. The atmospheric pressure is 748 torr and the vapor is found to have a mass of 0.714 grams. What is the molecular mass of the vapor? 2 A gas is found to be 85.7 % carbon and 14.3 % hydrogen by mass. Its molecular mass was found to be 98.1 g/mol using...
PRE-LAB or POST-LAB QUIZ Name Instructor/Section PRE-LAB or POST-LAB QUIZ Multiple choice questions. Circle your answers. I. The process of carrying out an analysis where a measured volume of a chemical hav- ing an UNKNOWN concentration is reacted with a measured volume of a chemical having a KNOWN concentration is called a. the neutralization point. b. the equivalence point. c. the end point. d. a titration. 2. In volumetric analysis, the point at which the indicator changes color is called...
Name Lab Section Date PRE-LABORATORY ASSIGNMENT 1. Which of the chemicals used in this experiment have safety hazards associated with them? List the safety hazards for each chemical. This butto e variables shows the op left of th h to 330 ni 2. Define the following, and give a specific example of each. a. strong acid motometer Teads%T. chamber If a cuve b. weak acid in the sam Look at t the top mber whe ur cuvett c. Strong base...
ids: pre-laboratory assignment Relative Strengths of some Acids. prelaboratory as Instructor Name Section Date Basic solution 1. Define following terms a Bronsted-Lowry acid b. Bronsted-Lowry base g. Indicator с рН h. pH paper d. Neutral solution i. pH meter e. Acidic solution
Name Date Section Team Instructor Pre-Lab Study Questions 1. Why is the freezing of water called a physical change! 2. Why are burning candles and rusting nails examples of chemical change 3. What is included in a chemical equation? 4. How does a combination reaction differ from a decomposition reaction? A. Magnesium and Oxygen A.1 Initial appearance of Mg Observations of the reaction Appearance of the product A.2 Balance: Mg(s) + ___0:) - -MgO(s) A.3 Type of reaction:
Name: Course/section: Lab Instructor Name: Date: Compl Qualitative tests for Saturated and Unsaturated Hydrocarbons Data Sheet e Balanced Chemical Equation for Combustion A. Combustion Reaction Hydrocarbon Observation when ignited in the presence of oxygen Cyclohexane Very light smoke (CH2) Cyclohexene Dense black smoke (CH) Toluene Very dense black smke, (CH) Unknown Dense black smoke B B. Bromine Test Hydrocarbon Structural formula of product (if reaction occurs) Observations Cyclohexane (C6H12) Orange-red color of bromine stays Cyclohexene (C6H10) Orange-red color of bromine...
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