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Pre-lab Questions Why would using these procedures not work for potassium nitrate, and what would you...
an introduction to chemistry lab Pre-Lab Study Questions 1. How can the presence of an ion...
an introduction to chemistry lab
Pre-Lab Study Questions 1. How can the presence of an ion in a solution be detected? ไป dedeed by a lame the ions undec gp color changes By com paring knoum olion o a unKnown vo Can co ure he color ehanges in he lame If a reaction produces an insoluble salt, what will you notice happening in the test tube? 2. So,It wany saヅdissolved and tt a, precipitate oat, solut kan bep eadind on...
what could my cations possibly be? wonlnu ANION ANALYSIS Preliminary Analysis: (Procedures 33-35) Results of Test H...
what could my cations possibly be?
wonlnu ANION ANALYSIS Preliminary Analysis: (Procedures 33-35) Results of Test H2SO4 ianuer homeel Loroun fet Was ahire e SADE Saie stakateX 6エS2- As0f poice AgNO alotes BaCl2 3- Anions eliminated based on these tests. Anions possible based on these tests. Specific Tests for Anions: (Procedures 36-48) Results of Test Phosphate Borate present Chromate Sulfate pre sent Carbonate X Sulfide lodide Bromide fresemr prerent present Chloride Nitrate Acetate Nit Cation(s) Present Anion(s) Present (Is the...
PLEASE PLEASE answer all :) Name: CEII2L Spring 2020 Pre-Lab Questions WinQual 2 1. Forcach reaction...
PLEASE PLEASE answer all :)
Name: CEII2L Spring 2020 Pre-Lab Questions WinQual 2 1. Forcach reaction described below, write the chemical equation a) Lead(II) nitrate and sodium sulfate solutions are mixed together b) Silver nitrate and sodium chloride solutions are mixed together c) Silver nitrate and sodium hydroxide solutions are mixed together 2. Write the balanced precipitation reactions for the following reactions. Use the solubility rules to determine if a precipitate happened. 11.51 Nal + AgNO, Na SO4 + AgNO3-...
Please help thank you PRE-LAB 6 The Hill Reaction Pre-laboratory Assignment Directions: is not complete at...
Please help thank you
PRE-LAB 6 The Hill Reaction Pre-laboratory Assignment Directions: is not complete at the beginning of lab, the student will be unable to participate in Questions: TYPE the answers to the following questions and turm in BEFORE lab begins. If pre-lab the lab session. 1.(2pts) While doing this experiment, it will be important to keep everything on ice. Why is it important to keep everything cold? What might happen if the proteins are warm temperature? ed to...
Post-Lab Questions: 1. If you had a solution which contained only chloride, bromide, or iodide ion,...
Post-Lab Questions: 1. If you had a solution which contained only chloride, bromide, or iodide ion, which of the three tests would most clearly tell you which anion was in the solution? Explain. 2.) Suppose that you were quite sure that your unknown centained only sulfate ion. Which test would most quickly 3. Consider each set of results below which were carried out on a solution containing either (1)one of the six anions studied in this experiment, or (2) none...
Post-Lab Questions: 1. If you had a solution which contained only chloride, bromide, or iodide ion,...
Post-Lab Questions: 1. If you had a solution which contained only chloride, bromide, or iodide ion, which of the three tests would most clearly tell you which anion was in the solution? Explain. 2.) Suppose that you were quite sure that your unknown contained only sulfate ion. Which test would most quickly (that is, in the fewest steps) confirm your hypothesis? Explain. Consider each set of results below which were carried out on a solution containing either (1)one of the...
Please answer the Pre-Lab questions regarding calorimetry. Suggest possible ways to improve the calorimeter, including materials...
Please answer the Pre-Lab questions regarding calorimetry.
Suggest possible ways to improve the calorimeter, including materials that could be used, and different approaches that would lead to the capture of the most heat from the burning peanut. List your responses here and on the board. (Post-lab Question 3) Plan and design an improved calorimeter. Your team should make a sketch of your idea here and in your notebooks. Construct (build) your improved calorimeter using the materials provided. Test your new...
For a chemistry lab about a saponification reaction, why would you test your soap using CLR...
For a chemistry lab about a saponification reaction, why would you test your soap using CLR in the hard water reactions, shaking until you see a change? This is from the hard-water reaction section of the lab. Each test tube had dissolved natural soap in water. CLR was added to tube #1 with 5% CaCl2 added prior, tube #2 with 5% MgCl2 added prior, and into tube #3 with tap water added prior. Tube #1 turned white and layered Tube...
Pre-Lab Questions 1. Define each of the following terms: a. Oxidation: EXPERIMENT 5 b. Reduction: c....
Pre-Lab Questions 1. Define each of the following terms: a. Oxidation: EXPERIMENT 5 b. Reduction: c. Redox reaction: d. Activity: 2. In the following reaction identify the substance that is oxidized and the substance that is reduced. Which metal is more active? 2Al(s) + 3Cu(aq) + 2Al(aq) + 3Cu(s) Oxidized Reduced = More active = 3. Why is it necessary to clean the surfaces of the metal samples before testing them in the metal ion solutions? 4. You will not...
Microbiology Lab Safety PRE-LAB QUESTIONS. 1. What constitutes personal protective equipment? When should personal protective equipment...
Microbiology Lab Safety PRE-LAB QUESTIONS. 1. What constitutes personal protective equipment? When should personal protective equipment be worn? Why is personal protective equipment important? 2. Why are there increasing levels of biological containment procedures? What level of biological containment will be necessary to complete the experiments in this manual? 3. What document should you refer to if you have questions regarding the safety or disposal of a chemical? Where can this document be located? 4. List five safety procedures that...
an introduction to chemistry lab
Pre-Lab Study Questions 1. How can the presence of an ion in a solution be detected? ไป dedeed by a lame the ions undec gp color changes By com paring knoum olion o a unKnown vo Can co ure he color ehanges in he lame If a reaction produces an insoluble salt, what will you notice happening in the test tube? 2. So,It wany saヅdissolved and tt a, precipitate oat, solut kan bep eadind on...
what could my cations possibly be?
wonlnu ANION ANALYSIS Preliminary Analysis: (Procedures 33-35) Results of Test H2SO4 ianuer homeel Loroun fet Was ahire e SADE Saie stakateX 6エS2- As0f poice AgNO alotes BaCl2 3- Anions eliminated based on these tests. Anions possible based on these tests. Specific Tests for Anions: (Procedures 36-48) Results of Test Phosphate Borate present Chromate Sulfate pre sent Carbonate X Sulfide lodide Bromide fresemr prerent present Chloride Nitrate Acetate Nit Cation(s) Present Anion(s) Present (Is the...
PLEASE PLEASE answer all :)
Name: CEII2L Spring 2020 Pre-Lab Questions WinQual 2 1. Forcach reaction described below, write the chemical equation a) Lead(II) nitrate and sodium sulfate solutions are mixed together b) Silver nitrate and sodium chloride solutions are mixed together c) Silver nitrate and sodium hydroxide solutions are mixed together 2. Write the balanced precipitation reactions for the following reactions. Use the solubility rules to determine if a precipitate happened. 11.51 Nal + AgNO, Na SO4 + AgNO3-...
Please help thank you
PRE-LAB 6 The Hill Reaction Pre-laboratory Assignment Directions: is not complete at the beginning of lab, the student will be unable to participate in Questions: TYPE the answers to the following questions and turm in BEFORE lab begins. If pre-lab the lab session. 1.(2pts) While doing this experiment, it will be important to keep everything on ice. Why is it important to keep everything cold? What might happen if the proteins are warm temperature? ed to...
Post-Lab Questions: 1. If you had a solution which contained only chloride, bromide, or iodide ion, which of the three tests would most clearly tell you which anion was in the solution? Explain. 2.) Suppose that you were quite sure that your unknown centained only sulfate ion. Which test would most quickly 3. Consider each set of results below which were carried out on a solution containing either (1)one of the six anions studied in this experiment, or (2) none...
Post-Lab Questions: 1. If you had a solution which contained only chloride, bromide, or iodide ion, which of the three tests would most clearly tell you which anion was in the solution? Explain. 2.) Suppose that you were quite sure that your unknown contained only sulfate ion. Which test would most quickly (that is, in the fewest steps) confirm your hypothesis? Explain. Consider each set of results below which were carried out on a solution containing either (1)one of the...
Please answer the Pre-Lab questions regarding calorimetry.
Suggest possible ways to improve the calorimeter, including materials that could be used, and different approaches that would lead to the capture of the most heat from the burning peanut. List your responses here and on the board. (Post-lab Question 3) Plan and design an improved calorimeter. Your team should make a sketch of your idea here and in your notebooks. Construct (build) your improved calorimeter using the materials provided. Test your new...
Pre-Lab Questions 1. Define each of the following terms: a. Oxidation: EXPERIMENT 5 b. Reduction: c. Redox reaction: d. Activity: 2. In the following reaction identify the substance that is oxidized and the substance that is reduced. Which metal is more active? 2Al(s) + 3Cu(aq) + 2Al(aq) + 3Cu(s) Oxidized Reduced = More active = 3. Why is it necessary to clean the surfaces of the metal samples before testing them in the metal ion solutions? 4. You will not...
Microbiology Lab Safety PRE-LAB QUESTIONS. 1. What constitutes personal protective equipment? When should personal protective equipment be worn? Why is personal protective equipment important? 2. Why are there increasing levels of biological containment procedures? What level of biological containment will be necessary to complete the experiments in this manual? 3. What document should you refer to if you have questions regarding the safety or disposal of a chemical? Where can this document be located? 4. List five safety procedures that...
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