Homework Answers
Add Answer to:
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...
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...
Chemistry word question... In the thermodynamics lab, you determined the temperature at which your saturated Potassium...
Chemistry word question... In the thermodynamics lab, you determined the temperature at which your saturated Potassium Nitrate solution precipitated out of solution. If during this lab some of your Potassium Nitrate crystalized on your temperature probe and was no longer in solution, what effect would this have on your observed deltaG for the process?
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...
Identification of the negative ion in the unknown solution From your test results, what negative ion (anion) is...
Identification of the negative ion in the unknown solution From your test results, what negative ion (anion) is present in your unknown? Explain your choice. Testing for Cations and Anions Report Sheet Questions and Problems Q.1 How do the tests on known solutions containing cations and anions make it possible for you to identify the cations or anions in an unknown substance? Q2 You hive a solution that is composed of either NaCl or CaCl, What tests would you run...
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...
How would I go about finishing questions 3-6 for this lab report on thermodynamics? The reaction...
How would I go about finishing questions 3-6 for this lab
report on thermodynamics?
The reaction was the dissolving of KNO3 in water
CRC Handbook. ThermouyilaL Parameter AH" Value from your data. 32.8KT Ima 9.83K AS AG at 25°C 3. Show how you calculated the value for AH from CRC Handbook data. 4. Discuss the meanings of the signs of your values for AH', and AS'. What do they tell you about the process in which potassium nitrate dissolves in...
1,2,3 BEER'S LAW - PRE-LAB QUESTION 1. What mass of solid CoCl2 would you need to...
1,2,3
BEER'S LAW - PRE-LAB QUESTION 1. What mass of solid CoCl2 would you need to prepare 250 mL of 0.150 M solution of CoCl2 from solid CoCl2 and distilled water? Show your calculations. 2. Using the solution from the previous problem and distilled water, how would you prepare 100 mL of a 0.060 M solution of CoCl2? (Hint: use the dilution formula) 3. What is Beer's law? Write an equation and describe all terms used in it.
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...
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 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...
Identification of the negative ion in the unknown solution From your test results, what negative ion (anion) is present in your unknown? Explain your choice. Testing for Cations and Anions Report Sheet Questions and Problems Q.1 How do the tests on known solutions containing cations and anions make it possible for you to identify the cations or anions in an unknown substance? Q2 You hive a solution that is composed of either NaCl or CaCl, What tests would you run...
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...
How would I go about finishing questions 3-6 for this lab
report on thermodynamics?
The reaction was the dissolving of KNO3 in water
CRC Handbook. ThermouyilaL Parameter AH" Value from your data. 32.8KT Ima 9.83K AS AG at 25°C 3. Show how you calculated the value for AH from CRC Handbook data. 4. Discuss the meanings of the signs of your values for AH', and AS'. What do they tell you about the process in which potassium nitrate dissolves in...
1,2,3
BEER'S LAW - PRE-LAB QUESTION 1. What mass of solid CoCl2 would you need to prepare 250 mL of 0.150 M solution of CoCl2 from solid CoCl2 and distilled water? Show your calculations. 2. Using the solution from the previous problem and distilled water, how would you prepare 100 mL of a 0.060 M solution of CoCl2? (Hint: use the dilution formula) 3. What is Beer's law? Write an equation and describe all terms used in it.
Most questions answered within 3 hours.
-
Which of the following statements is true regarding the nature
of culture?
A.We are born with...
asked 5 minutes ago -
(a) 2
NO2(g) à 2
NO(g) +
O2(g)
The rate law for this reaction
is 2nd...
asked 8 minutes ago -
Write the overall reaction for the RedOx
reaction (below) when it occurs in an acidic environment....
asked 14 minutes ago -
Two forces are acting on an object. Force 1 on the object is 6.0
N and...
asked 15 minutes ago -
You are planning for retirement. You plan to work for 20 years.
Starting a year from...
asked 28 minutes ago -
The African Adventures exhibit water system holds approximately
850,000 gallons (3.2x109 g) of water. The temperature...
asked 20 minutes ago -
which of the following is capital?
the barn a farmer uses to hold the chickens he...
asked 30 minutes ago -
Attribute
Sample Value
Sample Value
Sample Value
Sample Value
pirate_num
11
22
43
54
pirate_lname
James...
asked 24 minutes ago -
10. Two forces act on a 3 kg object, the gravitational force and
a second, constant...
asked 41 minutes ago -
Dividing Partnership Net Loss
Leigh Meadows and Byron Leef formed a partnership in which the
partnership...
asked 37 minutes ago -
Discuss how Entrepreneurial leadership style differs
from traditional leadership?
asked 1 hour ago -
A futuristic design for a car is to have a large solid
disk-shaped flywheel within the...
asked 1 hour ago