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B.moles in asprin 0.1 x 6.0 x10^23/180
=3.33 x 10^23 molecules
C.silver=63.5
nitrogen=8.25
oxyen=28.25
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AHS Candies Reaction Project
In this Unit, we learned about different kinds of chemical reactions. You will demonstrate your understanding of these con ...
AHS Candies Reaction Project
In this Unit, we learned about different kinds of chemical reactions. You will demonstrate your understanding of these concepts by performing an experiment that focuses on chemical reactions between different substances.
Before you begin, review the concepts behind chemical reactions found in your textbook. You will be using these concepts to carry out your experiment.
First, formulate your hypothesis (Scientists pride themselves on being able to prove themselves wrong. So don’t worry if your hypothesis turns out to be incorrect!) What do you think the reactions will be between the different kinds of candies when they are placed into the different kinds of soda? Record your predictions. Remember to record a hypothesis for each separate type of candy, combined with each different type of soda.
Next, collect all the necessary items for the lab. You may already have these things around your home, or you should be able to get them easily at any store. You will need:
Mentos candies
Another type of candy
Meter stick
Magnifier
Test tube
Then, carry out the experiment. Make sure you are wearing your safety equipment, and that you are carrying out the experiment in a box or aquarium that will prevent a mess. Place each different type of candy into each different kind of soda and record the reaction that takes place. Be careful, because this may or may not cause a violent chemical reaction that could result in an overflow of soda.
Finally, you are going to compare the predictions you made in your hypothesis to the results you got when you conducted your experiment. Did the experiment go like you planned? If not, why do you think the results were different from your predictions? Why do you think the experiment turned out the way it did? Were there any additional factors that might have influenced the results of the experiment? If you did the experiment again is there anything you would have done differently?
Final Product: Lab report
Your lab report will be made up of four sections. Each section will be between two and five paragraphs. These should be labelled with individual headers: Question and Hypothesis, Experimental Process, Summary, and Analysis.
You will be graded on each section individually. You will be assessed on understanding of the scientific process, the content of your experiment, and the thoughtful development of your ideas. Notice that the Analysis section is weighted heavier than the others - the Analysis section should discuss what your your results mean, and this is the most important part of your experiment.
15% of your grade will be on grammar, mechanics, and polish. This will include spelling, punctuation, sentence structure, clarity of writing, and organization for ease of reading.
An introduction describing your question and initial hypothesis (20%)
A description of your experimental process (20%)
A summary of your results (20%)
An analysis of your results (25%)
31 pages
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Georgia Military College Chemical Kinetics Lab Report
Laboratory 2 Procedure – Chemical Kinetics
Background:
During chemical reactions, reagents must collide with enough kine ...
Georgia Military College Chemical Kinetics Lab Report
Laboratory 2 Procedure – Chemical Kinetics
Background:
During chemical reactions, reagents must collide with enough kinetic energy and proper orientation in order to form a product. Kinetic energy depends on the velocity of colliding molecules. Analyzing the factors that can affect velocity, the rate, of the reaction can help us control chemical processes. Study that describes the reaction rates, mechanisms, bond breaking and making processes during chemical reaction is called Chemical Kinetics.
In this experiment we will analyze reaction rate dependence on initial concentration of the reactant as well as the rate dependence the temperature.
A + BC ?AC + B
Figure 1: Generic Single Displacement Reaction.
Average reaction rate for the reaction described in Figure 1 is as follows:
rate = -?[A] / ?t
Equation 1: Average Rate of the Reaction, where ?[A] is the difference between final and initial concentrations of reagent A, and ?t is the final – initial measured time frame.
There are several objectives of this lab:
To enhance your understanding of the meaning of the term ‘rate’ with respect to a chemical process.
To improve your calculations of ?[]/?t based on the collected data.
To understand concentration and temperature effects on the reaction rate.
Before you start this laboratory assignment, you are encouraged to review Section 13.1 on page 443 in the textbook. Throughout this laboratory assignment, you will be required to perform and thoroughly document your calculations pertaining to the average reaction rate associated with the reaction above. Be sure to record all observations and any relevant notes that you think you will need to include in your laboratory report.
Pre-Lab Questions:
1.What can affect a reaction rate? Explain your answer.
2.If a reaction is endothermic, and we increase the temperature of the reaction mixture, how will it affect the overall reaction rate?
Procedure:
Collecting Data and Performing the Experiment
From the course home page, access the simulation environment by clicking on the “Reactions & Rates” link. This will initiate a download of a Java file that you will need to open on your desktop. Note: If you do not have the proper Java version to run the file, check the “Materials” section of the course syllabus for more details on acquiring the software.
1.After the simulation environment loads, choose the “Rate Experiments” tab, and then set concentration of reagents: A for 10, and BC for 20. The black arrow below shows the location, where the changes should bemade.
Mark “Show Stopwatch”, as shown below
Repeat procedures 1-6 for the remaining concentrations in Table 1 and record your results in the appropriate cells.
Record your data in Table 2.
:
3.Then mark “AB Molecule”.
4.At this point, we’re ready to begin the simulation. You will need to initiate the experiment by clicking “Begin Experiment” then immediately starting the stopwatch. After you start simulation, make sure that you stop it by clicking the stopwatch when the concentrations of products appear in the “Current Amounts box. Become familiar with starting and stopping the experiment and stopwatch several times before you are ready to make your first official measurement as this may take some coordination.
5.Record time in the Table 1 on the row with the corresponding concentrations used in the experiment. Ensure the accuracy of your results by running several trials.
7.To simulate effect of temperature on the reaction rate follow the procedures from steps 1-6 and each time adjust the temperature. Move the temperature slider to the right to a position so that the “Total Average Energy” line on the reaction coordinate moves upward only a small amount. Keep this temperature as you run trials for the concentrations listed in Table 2.
Data Analysis
9.Table 1. Initial concentrations of reagents and average reaction rate at constant temperature. COLDSETTINGS
Determination
[A]
[BC]
?t
Average Rate
1
10
20
2
15
20
3
20
20
10.Table 2. Initial concentrations of reagents and average reaction rate at constant temperature. HOTSETTINGS
Determination
[A]
[BC]
?t
Average Rate
1
10
20
2
15
20
3
20
20
Notes
This section should include notes about any observations or data collected during the lab.
Report Requirements
This section contains key information that must be included in your typed report.
Define the problem in a manner that is clear and insightful.
Identify the strategies and procedures used during the lab.
Clear presentation of data including any tables or other figures that are relevant to understanding your stated conclusions at the end of the report. Include any relevant calculations performed during the lab.
Conclusive statements arguing in favor of your findings.
3.Clear hypothesis statement and other potential solutions that identify any relevant contextual factors (i.e. real-world costs).
5.Clearly stated results and discussion of possible improvements to the procedure.
Rasmussen College Institute of Medicine Nursing Discussion Questions
Review the Institute of Medicine's 2010 report "The Future of Nursing: Leading Change, Advancing Health." Write a 750‐1, ...
Rasmussen College Institute of Medicine Nursing Discussion Questions
Review the Institute of Medicine's 2010 report "The Future of Nursing: Leading Change, Advancing Health." Write a 750‐1,000 word paper discussing the influence of the IOM report on nursing practice. Include the following:Summarize the four messages outlined in the IOM report and explain why these are significant to nursing practice.Discuss the direct influence the IOM report has on nursing education and nursing leadership. Describe the benefits and opportunities for BSN‐prepared nurses.Explain why it is important that a nurse's role and education evolve to meet the needs of an aging and increasingly diverse population.Discuss the significance of professional development, or lifelong learning, and its relevance in caring for diverse populations across the life span and within the health‐illness continuum.Discuss how nurses can assist in effectively managing patient care within an evolving health care system.Prepare this assignment according to the guidelines found in the APA Style Guide, located in the Student Success Center. An abstract is not required.This assignment uses a rubric. Please review the rubric prior to beginning the assignment to become familiar with the expectations for successful completion.
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All info below, ill send the links to the videos when we start working basically you will watch 2 videos then answer a few questions.
AHS Candies Reaction Project
In this Unit, we learned about different kinds of chemical reactions. You will demonstrate your understanding of these con ...
AHS Candies Reaction Project
In this Unit, we learned about different kinds of chemical reactions. You will demonstrate your understanding of these concepts by performing an experiment that focuses on chemical reactions between different substances.
Before you begin, review the concepts behind chemical reactions found in your textbook. You will be using these concepts to carry out your experiment.
First, formulate your hypothesis (Scientists pride themselves on being able to prove themselves wrong. So don’t worry if your hypothesis turns out to be incorrect!) What do you think the reactions will be between the different kinds of candies when they are placed into the different kinds of soda? Record your predictions. Remember to record a hypothesis for each separate type of candy, combined with each different type of soda.
Next, collect all the necessary items for the lab. You may already have these things around your home, or you should be able to get them easily at any store. You will need:
Mentos candies
Another type of candy
Meter stick
Magnifier
Test tube
Then, carry out the experiment. Make sure you are wearing your safety equipment, and that you are carrying out the experiment in a box or aquarium that will prevent a mess. Place each different type of candy into each different kind of soda and record the reaction that takes place. Be careful, because this may or may not cause a violent chemical reaction that could result in an overflow of soda.
Finally, you are going to compare the predictions you made in your hypothesis to the results you got when you conducted your experiment. Did the experiment go like you planned? If not, why do you think the results were different from your predictions? Why do you think the experiment turned out the way it did? Were there any additional factors that might have influenced the results of the experiment? If you did the experiment again is there anything you would have done differently?
Final Product: Lab report
Your lab report will be made up of four sections. Each section will be between two and five paragraphs. These should be labelled with individual headers: Question and Hypothesis, Experimental Process, Summary, and Analysis.
You will be graded on each section individually. You will be assessed on understanding of the scientific process, the content of your experiment, and the thoughtful development of your ideas. Notice that the Analysis section is weighted heavier than the others - the Analysis section should discuss what your your results mean, and this is the most important part of your experiment.
15% of your grade will be on grammar, mechanics, and polish. This will include spelling, punctuation, sentence structure, clarity of writing, and organization for ease of reading.
An introduction describing your question and initial hypothesis (20%)
A description of your experimental process (20%)
A summary of your results (20%)
An analysis of your results (25%)
31 pages
MICROSCOPE
COMPONENTS OF MICROSCOPE The simplest optical microscope is the magnifying glass and is good to about ten times (10X) magn ...
MICROSCOPE
COMPONENTS OF MICROSCOPE The simplest optical microscope is the magnifying glass and is good to about ten times (10X) magnification. The compound microscope has two systems of lenses for greater magnification, 1) the ocular,
Georgia Military College Chemical Kinetics Lab Report
Laboratory 2 Procedure – Chemical Kinetics
Background:
During chemical reactions, reagents must collide with enough kine ...
Georgia Military College Chemical Kinetics Lab Report
Laboratory 2 Procedure – Chemical Kinetics
Background:
During chemical reactions, reagents must collide with enough kinetic energy and proper orientation in order to form a product. Kinetic energy depends on the velocity of colliding molecules. Analyzing the factors that can affect velocity, the rate, of the reaction can help us control chemical processes. Study that describes the reaction rates, mechanisms, bond breaking and making processes during chemical reaction is called Chemical Kinetics.
In this experiment we will analyze reaction rate dependence on initial concentration of the reactant as well as the rate dependence the temperature.
A + BC ?AC + B
Figure 1: Generic Single Displacement Reaction.
Average reaction rate for the reaction described in Figure 1 is as follows:
rate = -?[A] / ?t
Equation 1: Average Rate of the Reaction, where ?[A] is the difference between final and initial concentrations of reagent A, and ?t is the final – initial measured time frame.
There are several objectives of this lab:
To enhance your understanding of the meaning of the term ‘rate’ with respect to a chemical process.
To improve your calculations of ?[]/?t based on the collected data.
To understand concentration and temperature effects on the reaction rate.
Before you start this laboratory assignment, you are encouraged to review Section 13.1 on page 443 in the textbook. Throughout this laboratory assignment, you will be required to perform and thoroughly document your calculations pertaining to the average reaction rate associated with the reaction above. Be sure to record all observations and any relevant notes that you think you will need to include in your laboratory report.
Pre-Lab Questions:
1.What can affect a reaction rate? Explain your answer.
2.If a reaction is endothermic, and we increase the temperature of the reaction mixture, how will it affect the overall reaction rate?
Procedure:
Collecting Data and Performing the Experiment
From the course home page, access the simulation environment by clicking on the “Reactions & Rates” link. This will initiate a download of a Java file that you will need to open on your desktop. Note: If you do not have the proper Java version to run the file, check the “Materials” section of the course syllabus for more details on acquiring the software.
1.After the simulation environment loads, choose the “Rate Experiments” tab, and then set concentration of reagents: A for 10, and BC for 20. The black arrow below shows the location, where the changes should bemade.
Mark “Show Stopwatch”, as shown below
Repeat procedures 1-6 for the remaining concentrations in Table 1 and record your results in the appropriate cells.
Record your data in Table 2.
:
3.Then mark “AB Molecule”.
4.At this point, we’re ready to begin the simulation. You will need to initiate the experiment by clicking “Begin Experiment” then immediately starting the stopwatch. After you start simulation, make sure that you stop it by clicking the stopwatch when the concentrations of products appear in the “Current Amounts box. Become familiar with starting and stopping the experiment and stopwatch several times before you are ready to make your first official measurement as this may take some coordination.
5.Record time in the Table 1 on the row with the corresponding concentrations used in the experiment. Ensure the accuracy of your results by running several trials.
7.To simulate effect of temperature on the reaction rate follow the procedures from steps 1-6 and each time adjust the temperature. Move the temperature slider to the right to a position so that the “Total Average Energy” line on the reaction coordinate moves upward only a small amount. Keep this temperature as you run trials for the concentrations listed in Table 2.
Data Analysis
9.Table 1. Initial concentrations of reagents and average reaction rate at constant temperature. COLDSETTINGS
Determination
[A]
[BC]
?t
Average Rate
1
10
20
2
15
20
3
20
20
10.Table 2. Initial concentrations of reagents and average reaction rate at constant temperature. HOTSETTINGS
Determination
[A]
[BC]
?t
Average Rate
1
10
20
2
15
20
3
20
20
Notes
This section should include notes about any observations or data collected during the lab.
Report Requirements
This section contains key information that must be included in your typed report.
Define the problem in a manner that is clear and insightful.
Identify the strategies and procedures used during the lab.
Clear presentation of data including any tables or other figures that are relevant to understanding your stated conclusions at the end of the report. Include any relevant calculations performed during the lab.
Conclusive statements arguing in favor of your findings.
3.Clear hypothesis statement and other potential solutions that identify any relevant contextual factors (i.e. real-world costs).
5.Clearly stated results and discussion of possible improvements to the procedure.
Rasmussen College Institute of Medicine Nursing Discussion Questions
Review the Institute of Medicine's 2010 report "The Future of Nursing: Leading Change, Advancing Health." Write a 750‐1, ...
Rasmussen College Institute of Medicine Nursing Discussion Questions
Review the Institute of Medicine's 2010 report "The Future of Nursing: Leading Change, Advancing Health." Write a 750‐1,000 word paper discussing the influence of the IOM report on nursing practice. Include the following:Summarize the four messages outlined in the IOM report and explain why these are significant to nursing practice.Discuss the direct influence the IOM report has on nursing education and nursing leadership. Describe the benefits and opportunities for BSN‐prepared nurses.Explain why it is important that a nurse's role and education evolve to meet the needs of an aging and increasingly diverse population.Discuss the significance of professional development, or lifelong learning, and its relevance in caring for diverse populations across the life span and within the health‐illness continuum.Discuss how nurses can assist in effectively managing patient care within an evolving health care system.Prepare this assignment according to the guidelines found in the APA Style Guide, located in the Student Success Center. An abstract is not required.This assignment uses a rubric. Please review the rubric prior to beginning the assignment to become familiar with the expectations for successful completion.
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