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Lab 2 Done
Access Code (located on the lid of your lab kit): Click here to enter text. 1. Which of the following are testable using s ...
Lab 2 Done
Access Code (located on the lid of your lab kit): Click here to enter text. 1. Which of the following are testable using scientific experimentation.
CHM 130LL MCCRSCC Stoichiometric Analysis Paper
B. Calculations:Determine the mass of iron consumed in the reaction. Show your work. (4 pts)Formula:2.Calculate the number ...
CHM 130LL MCCRSCC Stoichiometric Analysis Paper
B. Calculations:Determine the mass of iron consumed in the reaction. Show your work. (4 pts)Formula:2.Calculate the number of moles of iron consumed using dimensional analysis and the molar mass of iron as a conversion factor. Show your work. (10 pts)3. Determine the mass of copper formed. Show your work. (4 pts)Formula:4. Calculate the number of moles of copper formed using dimensional analysis and the molar mass of copper as a conversion factor. Show your work. (10 pts)5. What is the experimental mole ratio between the iron and the copper? Determine the simplest whole number ratio of moles of iron consumed (see Question 2), to moles of copper formed (see Question 4). [Note: To find the ratio, you must use your answers to Question 2 and Question 4 and divide both values by whatever value is smaller.] (8 pts)C. Analysis Questions:6. What color was the 1M CuCl22H20 solution before the nails were placed in it? What ion was responsible for this color? Explain your reasoning with support from the lab. (8 pts)7. After the nails were allowed to react, did the solution change color? What was responsible for this color change? Explain your reasoning with support from the lab. (8 pts)8. What type of chemical reaction was this? You need to determine the type of reaction and explain how you know it falls into that category. (8 pts)9. What was the solid product that formed on the nails? Explain your reasoning with support from the lab. (8 pts)10. Based on the experimental mole ratio, which of the following equations is MOST LIKELY to be the one represented by this experiment? Justify your answer with support from the lab. (9 pts) 11. Why is knowing the “mole ratio” essential when performing stoichiometric calculations? Your response must include (a) a discussion of balanced equations in the context of the law of conservation of mass (8 pts) and (b) an example different from the one in this lab that shows how a mole ratio is used in a stoichiometric calculation (9 pts).
University of California Los Angeles ?Heat of Combustion & Fusion of Water Lab Report
In the Heat of Combustion: Sugar assignment you will use bomb calorimetry to determine the heat of combustion for sucrose ...
University of California Los Angeles ?Heat of Combustion & Fusion of Water Lab Report
In the Heat of Combustion: Sugar assignment you will use bomb calorimetry to determine the heat of combustion for sucrose (sugar) and compare it to the accepted value.And in the Beyond Labz Heat of Fusion of Water, In this simulation you will measure the energy transfer that happens when a known mass of ice melts in a calorimeter containing water. By measuring the initial temperature of the water and ice, and measuring the final temperature of the water after they reach thermal equilibrium, you will be able to use q= m.LaTeX: \DeltaΔHfusion for heat transfer of change of state, and q = m.c.LaTeX: \DeltaΔT for heat transfer of warming/cooling, and the concept of heat transfer in an isolated system, q1 + q2 ... = 0, to calculate the heat of fusion of water (LaTeX: \DeltaΔHfusion) and compare your experimentally determined value to the accepted value.You will need access to BeyondLabz, let me know if you have any questions!
40 pages
CBSE Class 12th Chemistry Guess Paper 2014
Q 1. Arrange the following compounds in order of increasing boiling points. 1–Chloropropane, Isopropyl chloride, 1–Chl ...
CBSE Class 12th Chemistry Guess Paper 2014
Q 1. Arrange the following compounds in order of increasing boiling points. 1–Chloropropane, Isopropyl chloride, 1–Chlorobutane Q 2. For the reaction: N 2 (g) + 3H 2 (g) → 2NH 3 (g) If ∆ [ NH 3 ] ∆ H = 4 ×10−8 mol−1s −1 , what is the value of − [ 2 ] ? ∆t ∆t Q 3. ‘Crystalline solids are anisotropic in nature.’ What does this statement mean? Q 4. What would happen if no salt bridge were used in an electrochemical cell (like Zn–Cu cell)?
BIO 152 LAMC Lyme Disease Case Study
You may use your notes and book for this. Any other resources used, you must list. You are not allowed to search for onlin ...
BIO 152 LAMC Lyme Disease Case Study
You may use your notes and book for this. Any other resources used, you must list. You are not allowed to search for online answer keys that may be posted. This assignment is meant to train you to be able to search for answers using credible resources. Please list your resources in APA format in the last question of this case history. If you used the CDC website, for example, be sure to offer a complete listing. Do not just list www.cdc.gov (Links to an external site.) (Links to an external site.) or just an index page if you used the subcategories within the index (the index was just the starting point or gateway).For APA:
12 pages
Buoyancy Lab Report
The experiment aims at exploring buoyancy and the Archimedes principle in general. In its simplest form buoyancy refers to ...
Buoyancy Lab Report
The experiment aims at exploring buoyancy and the Archimedes principle in general. In its simplest form buoyancy refers to the force exerted on an ...
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Most Popular Content
4 pages
Lab 2 Done
Access Code (located on the lid of your lab kit): Click here to enter text. 1. Which of the following are testable using s ...
Lab 2 Done
Access Code (located on the lid of your lab kit): Click here to enter text. 1. Which of the following are testable using scientific experimentation.
CHM 130LL MCCRSCC Stoichiometric Analysis Paper
B. Calculations:Determine the mass of iron consumed in the reaction. Show your work. (4 pts)Formula:2.Calculate the number ...
CHM 130LL MCCRSCC Stoichiometric Analysis Paper
B. Calculations:Determine the mass of iron consumed in the reaction. Show your work. (4 pts)Formula:2.Calculate the number of moles of iron consumed using dimensional analysis and the molar mass of iron as a conversion factor. Show your work. (10 pts)3. Determine the mass of copper formed. Show your work. (4 pts)Formula:4. Calculate the number of moles of copper formed using dimensional analysis and the molar mass of copper as a conversion factor. Show your work. (10 pts)5. What is the experimental mole ratio between the iron and the copper? Determine the simplest whole number ratio of moles of iron consumed (see Question 2), to moles of copper formed (see Question 4). [Note: To find the ratio, you must use your answers to Question 2 and Question 4 and divide both values by whatever value is smaller.] (8 pts)C. Analysis Questions:6. What color was the 1M CuCl22H20 solution before the nails were placed in it? What ion was responsible for this color? Explain your reasoning with support from the lab. (8 pts)7. After the nails were allowed to react, did the solution change color? What was responsible for this color change? Explain your reasoning with support from the lab. (8 pts)8. What type of chemical reaction was this? You need to determine the type of reaction and explain how you know it falls into that category. (8 pts)9. What was the solid product that formed on the nails? Explain your reasoning with support from the lab. (8 pts)10. Based on the experimental mole ratio, which of the following equations is MOST LIKELY to be the one represented by this experiment? Justify your answer with support from the lab. (9 pts) 11. Why is knowing the “mole ratio” essential when performing stoichiometric calculations? Your response must include (a) a discussion of balanced equations in the context of the law of conservation of mass (8 pts) and (b) an example different from the one in this lab that shows how a mole ratio is used in a stoichiometric calculation (9 pts).
University of California Los Angeles ?Heat of Combustion & Fusion of Water Lab Report
In the Heat of Combustion: Sugar assignment you will use bomb calorimetry to determine the heat of combustion for sucrose ...
University of California Los Angeles ?Heat of Combustion & Fusion of Water Lab Report
In the Heat of Combustion: Sugar assignment you will use bomb calorimetry to determine the heat of combustion for sucrose (sugar) and compare it to the accepted value.And in the Beyond Labz Heat of Fusion of Water, In this simulation you will measure the energy transfer that happens when a known mass of ice melts in a calorimeter containing water. By measuring the initial temperature of the water and ice, and measuring the final temperature of the water after they reach thermal equilibrium, you will be able to use q= m.LaTeX: \DeltaΔHfusion for heat transfer of change of state, and q = m.c.LaTeX: \DeltaΔT for heat transfer of warming/cooling, and the concept of heat transfer in an isolated system, q1 + q2 ... = 0, to calculate the heat of fusion of water (LaTeX: \DeltaΔHfusion) and compare your experimentally determined value to the accepted value.You will need access to BeyondLabz, let me know if you have any questions!
40 pages
CBSE Class 12th Chemistry Guess Paper 2014
Q 1. Arrange the following compounds in order of increasing boiling points. 1–Chloropropane, Isopropyl chloride, 1–Chl ...
CBSE Class 12th Chemistry Guess Paper 2014
Q 1. Arrange the following compounds in order of increasing boiling points. 1–Chloropropane, Isopropyl chloride, 1–Chlorobutane Q 2. For the reaction: N 2 (g) + 3H 2 (g) → 2NH 3 (g) If ∆ [ NH 3 ] ∆ H = 4 ×10−8 mol−1s −1 , what is the value of − [ 2 ] ? ∆t ∆t Q 3. ‘Crystalline solids are anisotropic in nature.’ What does this statement mean? Q 4. What would happen if no salt bridge were used in an electrochemical cell (like Zn–Cu cell)?
BIO 152 LAMC Lyme Disease Case Study
You may use your notes and book for this. Any other resources used, you must list. You are not allowed to search for onlin ...
BIO 152 LAMC Lyme Disease Case Study
You may use your notes and book for this. Any other resources used, you must list. You are not allowed to search for online answer keys that may be posted. This assignment is meant to train you to be able to search for answers using credible resources. Please list your resources in APA format in the last question of this case history. If you used the CDC website, for example, be sure to offer a complete listing. Do not just list www.cdc.gov (Links to an external site.) (Links to an external site.) or just an index page if you used the subcategories within the index (the index was just the starting point or gateway).For APA:
12 pages
Buoyancy Lab Report
The experiment aims at exploring buoyancy and the Archimedes principle in general. In its simplest form buoyancy refers to ...
Buoyancy Lab Report
The experiment aims at exploring buoyancy and the Archimedes principle in general. In its simplest form buoyancy refers to the force exerted on an ...
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