Petrols from airplane Write a research paper report about petrols from airplane. Focus on the bad sides of petrols and oil.
Write the balanced, nuclear equation for the positron emission from the Thallium-201 radioisotope. What are the four common types of radioactive decay?
Homework Unit 3 Solve the following problems, showing your work for all steps involved. Write the balanced, nuclear equation for the positron emission from the Thallium-201 radioisotope. What are the four common types of radioactive decay? Detail the differences between them. Include a detailed comparison, including penetrating power and energy. Include a balanced, nuclear equation […]
Upload your picture of your three before analyte preparation beakers with their contents. Upload your picture of your prepared analyte experimental setup.
Ex 5 lab 22 Question 1 (16 points) Upload your picture of your three before analyte preparation beakers with their contents. To receive credit, the beakers and their contents must be clearly visible in the picture, as well as clearly labeled with your name, the lab title (with “before analyte preparation” indicated), and the date […]
How would you balance the chemical equation below?
Balance a complex chemical formula How would you balance this chemical equation? NaCl + Ca(OH)2 + Al2(SO4)3 + H2O → Ca2Al(OH)6(Cl,OH)· 2H2O + Ca6Al2(SO4)3(OH)12 + NaOH
Determine the concentration of caffeine in caffeinated beverages and compare that to the ones reported on the label. Provide the safety information for each chemical used in the experiment.
Determination of Caffeine Content in caffeinated beverages using HPLC Caffeine (1,3,7-trimethylxanthine) a purine alkaloid is the principle stimulating constituent in 60 plant species including tea, coffee, cocoa and so on. Besides tea and coffee, caffeine is also very widely consumed through a wide range of dietary products, like cocoa beverages, energy drinks, soft drinks etc. […]
Which resulted in more accurate and more precise results—your three shots or the three shots from different individuals? Explain why you would or would not have expected this result.
Lab 0-0 Question 1 (16 points) Upload a picture of your accuracy results per Step 4 of the lab procedure. This must be a single picture. Question 1 options: Question 2 (16 points) Upload a picture of your precision results per Step 6 of the lab procedure. This must be a single picture. Question 2 […]
Upload your completed Table 1: Data and Observations, Table 2: 24 Hour CaCl2, and calculations. Explain how could you address/fix such errors in future experiments?
Assignment – 4:11 lab Upload your picture of your precipitate before filtration. To receive credit, the beaker and its contents must be clearly visible in the picture, as well as clearly labeled with your name, the lab title, the name of the compound, and the date. Question 1 options: Question 2 (16 points) Upload your […]
Using your results for Experiment 3: Measuring the Enthalpy of Fusion of Water, calculate the percent error in your determination of the value for the molar heat of fusion of ice.
Lab 7:9 Question 1 (8 points) Upload your picture of your metal sample being massed. To receive credit, your metal and the mass readout must be clearly visible in the picture, as well as a clear label with your name, the lab title (with Experiment number), and the date in clear view. This must be […]
Show your calculations from Experiment 1: Ideal Gas Law – Finding Percent H2O2 with Yeast for determining the theoretical number of moles of O2 if the hydrogen peroxide were a 100% solution.
Ex 6 lab 8 Question 1 (10 points) Upload your picture of your Gas Collection Apparatus. To receive credit, your ring stand, graduated cylinder, beaker, all tubing, flask, etc. The oxygen bubbles must be clearly visible in the picture, as well as clear label with your name, the lab title (with Experiment number), and the […]
Upload your picture of your three before analyte preparation beakers with their contents. Also upload your picture of your prepared analyte experimental setup.
Lab work Question 1 (16 points) Upload your picture of your three before analyte preparation beakers with their contents. To receive credit, the beakers and their contents must be clearly visible in the picture, as well as clearly labeled with your name(Brooke bedell), the lab title (with “before analyte preparation” indicated), and the date in […]