Reference no: EM131239511
Chemical Reaction Postlab Report
Part A: Equivalence Amounts
Plastic Cup A Experiment
|
Measured Mass of NaHCO3
|
Measured Mass of H3C6H5O7
|
Measured Mass of CO2
|
|
1.08g
|
0.71g
|
0.56g
|
*The mass of carbon dioxide is "indirectly" measured acid recorded in Box "6" in Data Section for Cup A.
1. Show that the equivalence amount of citric acid for 1.00 g of sodium bicarbonate is 0.76 g.
2. Calculate the theoretical yield of carbon dioxide from 1.00 g of sodium bicarbonate.
3. What is the actual yield in this cup A experiment according to your data?
4. Calculate the percentage yield in the plastic cup A experiment.
Plastic Cup B Experiment
|
Measured Mass of NaHCO3
|
Measured Mass of H3C6H5O7
|
Measured Mass of CO2
|
|
1.72g
|
1.50g
|
0.83g
|
*The mass of carbon dioxide is "indirectly" measured acid recorded in Box "6" in Data Section for Cup B.
5. Show that the equivalence amount of citric acid for 2.00 g of sodium bicarbonate is 1.52 g,
6. Calculate the theoretical yield of carbon dioxide from 2.00 g of sodium bicarbonate.(5 pts)
7. What is the actual yield in this cup B experiment according to your data?
8. Calculate the percentage yield in the plastic cup B experiment.
Part B: Limiting Reactants
Plastic Cup C
|
Measured Mass of NaHCO3
|
Measured Mass of H3C6H5O7
|
Measured Mass of CO2
|
|
1.97g
|
0.82g
|
0.53g
|
*The mass of carbon dioxide is "indirectly" measured acid recorded in Box "6" in Data Section for Cup C.
9. Determine which reactant is the limiting reactant in the plastic cup C. Describe your reasoning.
10. Calculate the theoretical yield of carbon dioxide in the plastic cup C.
11. What is the actual yield in this cup C experiment according to your data?
12. Calculate the percentage yield in the plastic cup C experiment.
Plastic Cup D
|
Measured Mass of NaHCO3
|
Measured Mass of H3C6H5O7
|
Measured Mass of CO2
|
|
0.95g
|
1.23g
|
0.62g
|
*The mass of carbon dioxide is "indirectly" measured acid recorded in Box "6" in Data Section for Cup D.
13. Determine which reactant is the limiting reactant in the plastic cup D. Describe your reasoning.
14. Calculate the theoretical yield of carbon dioxide in the plastic cup D.
15. What is the actual yield in this cup C experiment according to your data?
16. Calculate the percentage yield in the plastic cup D.
17. Compare the percentage yield for four reactions. Describe the difference and the similarities accroding to your data.
|
Probability of rolling a 12 using a fair 20-side dice
: List the elements of the state space for flipping three fair coins at once.
|
|
What is it that this group needs to be trained on
: What is it that this group needs to be trained on? Give as much detail as you can. Why do they need this training? Is there any current training? If so, how is it deficient?
|
|
What is the 5 day var for the portfolio
: Assume that the daily volatilities of both assets are 1% and that the coefficient of correlation between their returns is 0.3. What is the 5-day 99% VaR for the portfolio?
|
|
Find the chromatic number of the graph
: For G as shown in Figure 13.24, use a greedy algorithm to color the edges. Does it give an optimal coloring? If not, then use color switching along paths or trees to improve the coloring.
|
|
Calculate the theoretical yield of carbon dioxide
: Calculate the theoretical yield of carbon dioxide in the plastic cup C. What is the actual yield in this cup C experiment according to your data? Calculate the percentage yield in the plastic cup C experiment.
|
|
How much is gained from exercising early at the lowest node
: How much is gained from exercising early at the lowest node at the 9-month point in Example? - Consider a 1-year American put option on the British pound (GBP).
|
|
How many vertex colors are needed for this graph
: Imagine, if you will, a road intersection with a traffic light. Every so often the traffic light changes, and after a while, the pattern of greens and reds and yellows on the traffic light repeats. This is a traffic-light cycle.
|
|
What is gross domestic product
: 1) What is gross domestic product (GDP)? 2) What is considered a healthy growth rate? 3) What does the current growth rate mean for the U.S. economy?
|
|
Estimate delta and gamma and theta from the tree
: Estimate delta, gamma, and theta from the tree in Example. Explain how each can be interpreted. - Consider a 4-month American call option on index futures where the current futures price is 300, the exercise price is 300, the risk-free interest rat..
|