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Highline Community College Mass of Cylinder Chemistry Question
Watch the videos for this lab, writing down the data shown. For Part A: Density of pre- and post- 1982 pennies, Trial 1 fo ...
Highline Community College Mass of Cylinder Chemistry Question
Watch the videos for this lab, writing down the data shown. For Part A: Density of pre- and post- 1982 pennies, Trial 1 for each set of pennies is shown in the first video [+], and Trial 2 for each set us shown in the second video [+]. Watch each video and record the data into your data table. Then, enter the data into the questions in this assessment. This will give you feedback on the accuracy of your measurements.For Part B: Density of an Unknown Liquid, watch the third video [+], and record data into Data Table B. Instead of Trial 2, we will calculate the density of a 50/50 mixture of the Unknown liquid with water. You can cross out "Trial 2" and write: Mixture. Then record the data in the same data table. We will NOT calculate an average of these values, since they are different liquids.Part A Trial 1: Density of Pennies Trial 1 for pre- and post-1982 pennies [+]Part A Trial 2: Density of Pennies Trial 2 for pre- and post-1982 pennies [+]Part B: Density of an Unknown Liquid, and a 50/50 mixture of Unknown with water. [+]After recording data from the videos into your data table, enter the following values in the table below: Pre-1981 PenniesPost-1983 Pennies Trial 1Trial 2Trial 1Trial 2Total Mass of pennies g g g gVolume of water before pennies added (Vinitial) mL mL mL mLVolume of water after pennies added (Vfinal) mL mL mL mLAfter recording data from the videos into your data table, enter the following values in the table below: Unknown LiquidMixtureMass of empty graduated cylinder gMass of graduated cylinder with 10.0 mL liquid g gFor Part C, enter the following values in your data table and use these values to complete the calculations for Part C, below.Mass of dry, empty 125-mL flask with stopper95.439 gMass of 125-mL flask with CO2 and stopper95.519 gActual volume for gas inside the flask149.8 mLFirst, calculate the mass of air inside the empty flask. This air gets pushed out when the dry ice sublimes into CO2(g). When you weigh an “empty” flask, it is not really empty; the flask is filled with air. The mass of this air is generally insignificant when compared to the masses of solids and liquids, but it is significant compared to the mass of other gases, like CO2. When the CO2 sublimates, it displaces the air. To calculate the correct mass for CO2, the mass of the air must be subtracted from the mass of the “empty flask”.Use the measured volume of the flask (above) and the density of air (1.2 g/L) to calculate mass. Note the units! Mass of air in flask: g airCalculate the mass of flask if it were truly empty using the equation below:masstruly empty flask = massempty flask — massair in flask = g truly empty flaskCalculate the mass of CO2 in the flask using the equation below:massCO2 = massflask with CO2 — masstruly empty flask = g CO2Finally, calculate the density (in g/L) of CO2 gas (note units!): Density of CO2 gas: g/L CO2
BIO1100 Natural Selection and The Peppered Moth Writing Paper
1. Pine trees that are too tall or too short do not do as well as pine trees that are average in height. The short trees d ...
BIO1100 Natural Selection and The Peppered Moth Writing Paper
1. Pine trees that are too tall or too short do not do as well as pine trees that are average in height. The short trees do not get as much light as tall or average trees. The tall trees are more likely to break off in storms. Tell how this is an example of stabilizing selection. Be sure to define stabilizing selection in your answer. Your response must be at least 75 words in length.2. There is a moth in England called the peppered moth. Before Britain's industrial revolution, these moths were usually salt and pepper colored. Because of their coloring, they blended in well with the tree trunks on which they tended to rest. The coloring helped them hide from the birds that ate them. During the British industrial revolution, industry expelled a lot of soot from the burning of coal into the environment. This soot darkened the tree trunks, and it was noted that black-colored moths were becoming predominant. The idea is that with soot in the environment, black-colored moths fared better than light-colored moths. There is some debate as to whether this is actually the case or not, but for the sake of this question, let's assume it is. In your own words, explain the concepts from the four observations discussed in 12.2 using the moth as an example. In other words, how does the moth illustrate the first observation, the second observation, etc.? Your response must be at least 200 words in length.
IIT Kharagpur Healthcare Delivery System Financing & Organization in The Us Discussion
Please describe and compare the financing and organization of the healthcare delivery system in a country of your choice w ...
IIT Kharagpur Healthcare Delivery System Financing & Organization in The Us Discussion
Please describe and compare the financing and organization of the healthcare delivery system in a country of your choice with that of the healthcare delivery system in the United States. Key points in this discussion includes: A thorough discussion of governments role, financing/funding, who/what is covered, how it is organized, how it is accessed, quality, disparities, cost, integrated, etc.AMA style formatting, in-text referencing with a minimum 2 peer-reviewed resources is required on all posts300-400 wordsTo assist you, use this website: http://international.commonwealthfund.org/
Westlake College Biology Paper
3-4 page paper on the analysis of a pernicious anemia case
Teri goes to see her PCP after feeling depressed last couple of ...
Westlake College Biology Paper
3-4 page paper on the analysis of a pernicious anemia case
Teri goes to see her PCP after feeling depressed last couple of months as well as experiencing a seizure earlier this week. The physician orders a few test, results are shown below:
Low hematocrit
Low levels of Vit B12
Low Oxygen levels
Presence of autoantibodies against the parietal cell
Peripheral blood smear shows abnormal RBC (large pale RBCs)
After viewing the results, Teri is diagnosed with Pernicious Anemia; a condition in which autoantibodies destroys the parietal cells found within the stomach.
Address each of the following regarding Teri’s case:
Since the parietal cell is destroyed, which substance(s) is Teri lacking as a consequence?
What is the correlation between destruction of parietal cells and Vit B12 deficiency?
Due to her condition, Teri lacks Pepsin. Explain why.
If Teri were healthy, explain what her RBCs would look like?
What is hematocrit?
Low oxygen levels stimulate her body to create new RBCs by stimulating which process? Explain that process in depth.
What protein transports oxygen in our body and explain its structure?
What cell secretes antibodies and explain the various functions of antibodies.
What are the different types of antibodies and give two characteristics for each?
Explain the structure of an immunoglobulin.
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Highline Community College Mass of Cylinder Chemistry Question
Watch the videos for this lab, writing down the data shown. For Part A: Density of pre- and post- 1982 pennies, Trial 1 fo ...
Highline Community College Mass of Cylinder Chemistry Question
Watch the videos for this lab, writing down the data shown. For Part A: Density of pre- and post- 1982 pennies, Trial 1 for each set of pennies is shown in the first video [+], and Trial 2 for each set us shown in the second video [+]. Watch each video and record the data into your data table. Then, enter the data into the questions in this assessment. This will give you feedback on the accuracy of your measurements.For Part B: Density of an Unknown Liquid, watch the third video [+], and record data into Data Table B. Instead of Trial 2, we will calculate the density of a 50/50 mixture of the Unknown liquid with water. You can cross out "Trial 2" and write: Mixture. Then record the data in the same data table. We will NOT calculate an average of these values, since they are different liquids.Part A Trial 1: Density of Pennies Trial 1 for pre- and post-1982 pennies [+]Part A Trial 2: Density of Pennies Trial 2 for pre- and post-1982 pennies [+]Part B: Density of an Unknown Liquid, and a 50/50 mixture of Unknown with water. [+]After recording data from the videos into your data table, enter the following values in the table below: Pre-1981 PenniesPost-1983 Pennies Trial 1Trial 2Trial 1Trial 2Total Mass of pennies g g g gVolume of water before pennies added (Vinitial) mL mL mL mLVolume of water after pennies added (Vfinal) mL mL mL mLAfter recording data from the videos into your data table, enter the following values in the table below: Unknown LiquidMixtureMass of empty graduated cylinder gMass of graduated cylinder with 10.0 mL liquid g gFor Part C, enter the following values in your data table and use these values to complete the calculations for Part C, below.Mass of dry, empty 125-mL flask with stopper95.439 gMass of 125-mL flask with CO2 and stopper95.519 gActual volume for gas inside the flask149.8 mLFirst, calculate the mass of air inside the empty flask. This air gets pushed out when the dry ice sublimes into CO2(g). When you weigh an “empty” flask, it is not really empty; the flask is filled with air. The mass of this air is generally insignificant when compared to the masses of solids and liquids, but it is significant compared to the mass of other gases, like CO2. When the CO2 sublimates, it displaces the air. To calculate the correct mass for CO2, the mass of the air must be subtracted from the mass of the “empty flask”.Use the measured volume of the flask (above) and the density of air (1.2 g/L) to calculate mass. Note the units! Mass of air in flask: g airCalculate the mass of flask if it were truly empty using the equation below:masstruly empty flask = massempty flask — massair in flask = g truly empty flaskCalculate the mass of CO2 in the flask using the equation below:massCO2 = massflask with CO2 — masstruly empty flask = g CO2Finally, calculate the density (in g/L) of CO2 gas (note units!): Density of CO2 gas: g/L CO2
BIO1100 Natural Selection and The Peppered Moth Writing Paper
1. Pine trees that are too tall or too short do not do as well as pine trees that are average in height. The short trees d ...
BIO1100 Natural Selection and The Peppered Moth Writing Paper
1. Pine trees that are too tall or too short do not do as well as pine trees that are average in height. The short trees do not get as much light as tall or average trees. The tall trees are more likely to break off in storms. Tell how this is an example of stabilizing selection. Be sure to define stabilizing selection in your answer. Your response must be at least 75 words in length.2. There is a moth in England called the peppered moth. Before Britain's industrial revolution, these moths were usually salt and pepper colored. Because of their coloring, they blended in well with the tree trunks on which they tended to rest. The coloring helped them hide from the birds that ate them. During the British industrial revolution, industry expelled a lot of soot from the burning of coal into the environment. This soot darkened the tree trunks, and it was noted that black-colored moths were becoming predominant. The idea is that with soot in the environment, black-colored moths fared better than light-colored moths. There is some debate as to whether this is actually the case or not, but for the sake of this question, let's assume it is. In your own words, explain the concepts from the four observations discussed in 12.2 using the moth as an example. In other words, how does the moth illustrate the first observation, the second observation, etc.? Your response must be at least 200 words in length.
IIT Kharagpur Healthcare Delivery System Financing & Organization in The Us Discussion
Please describe and compare the financing and organization of the healthcare delivery system in a country of your choice w ...
IIT Kharagpur Healthcare Delivery System Financing & Organization in The Us Discussion
Please describe and compare the financing and organization of the healthcare delivery system in a country of your choice with that of the healthcare delivery system in the United States. Key points in this discussion includes: A thorough discussion of governments role, financing/funding, who/what is covered, how it is organized, how it is accessed, quality, disparities, cost, integrated, etc.AMA style formatting, in-text referencing with a minimum 2 peer-reviewed resources is required on all posts300-400 wordsTo assist you, use this website: http://international.commonwealthfund.org/
Westlake College Biology Paper
3-4 page paper on the analysis of a pernicious anemia case
Teri goes to see her PCP after feeling depressed last couple of ...
Westlake College Biology Paper
3-4 page paper on the analysis of a pernicious anemia case
Teri goes to see her PCP after feeling depressed last couple of months as well as experiencing a seizure earlier this week. The physician orders a few test, results are shown below:
Low hematocrit
Low levels of Vit B12
Low Oxygen levels
Presence of autoantibodies against the parietal cell
Peripheral blood smear shows abnormal RBC (large pale RBCs)
After viewing the results, Teri is diagnosed with Pernicious Anemia; a condition in which autoantibodies destroys the parietal cells found within the stomach.
Address each of the following regarding Teri’s case:
Since the parietal cell is destroyed, which substance(s) is Teri lacking as a consequence?
What is the correlation between destruction of parietal cells and Vit B12 deficiency?
Due to her condition, Teri lacks Pepsin. Explain why.
If Teri were healthy, explain what her RBCs would look like?
What is hematocrit?
Low oxygen levels stimulate her body to create new RBCs by stimulating which process? Explain that process in depth.
What protein transports oxygen in our body and explain its structure?
What cell secretes antibodies and explain the various functions of antibodies.
What are the different types of antibodies and give two characteristics for each?
Explain the structure of an immunoglobulin.
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