Chemistry Archives - Page 4 of 30

Which of your three gases behaved the most ideally? What data did you use to come to that conclusion? What physical properties of that gas might indicate that it would have behaved the most ideally?

Posted on February 10, 2023 by Assessments

Answer the following questions with respect to your completed excel data from this week. Answer to the best of your ability, sometimes you are being asked what you think. Cite any resources that you use. What are the three compounds/molecules you modeled this week? Where did you find their critical point data? Are gases expected […]

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 with each as well. What are the two types of nuclear reactions? Give an example of a balanced nuclear reaction for each type.

Posted on February 8, 2023 by Assessments

Chem homework unit 3 Before attempting the homework assignment, you are encouraged to view the Unit III Handout for additional help. The knowledge checks in the handout are designed to provide practice on math-heavy portions of your quizzes and homework assignments. Solve the following problems, showing your work for all steps involved. Write the balanced, […]

Are there any results from the physical examination or blood chemistry or other diagnostic test results that may influence any recommendations for exercise or physical activity?

Posted on February 7, 2023 by Assessments

Are there any results from the physical examination or blood chemistry or other diagnostic test results that may influence any recommendations for exercise or physical activity? b. Based on the exercise testing results, if applicable, are there any considerations regarding the safety of exercise training for this individual?

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.

Posted on January 31, 2023 by Assessments

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

How could you address/fix such errors in future experiments?Calculate the overall temperature change for the cold pack, ΔT = Tmax – Tmin.

Posted on January 30, 2023 by Assessments

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 , and the date in clear view. This must be a single picture. Question […]

How could you address/fix such errors in future experiments?How might this have impacted your data?

Posted on January 30, 2023 by Assessments

Upload your completed Table 1: Data and Observations, Table 2: 24 Hour CaCl2, calculations, and Post-Lab Question answers. Question 5 options: Question 6 (12 points) Answer the following Post-Lab Questions on potential sources of error in this experiment. 1) What could have or did go wrong? 2) How might this have impacted your data? 3) […]

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.

Posted on January 30, 2023 by Assessments

Question 6 (8 points) You have been chosen from the crowd to be the assistant to a knife-throwing demonstration. The thrower has asked you to stand very still with an apple sitting on top of your head, and he is going to throw a knife into the apple, removing it from your head. For whatever […]

milliliters of a 0.800 M Ca(NO3)2 solution to obtain 0.0500 mole of Ca(NO3)2 7.53 To make tomato soup, you add one can of water to the condensed soup. Why is this a dilution?

Posted on January 27, 2023 by Assessments

7.31 What is the difference between a 5% (m/m) glucose solution and a 5% (m/v) glucose solution? 7.33 Calculate the mass percent (m/m) for the solute in each of the following solutions: a. 25 g of KCl and 125 g of H2O b. 12 g of sugar in 225 g of tea solution with sugar […]

What mass of Al is required to produce 500g of AlCl3? SHOW ALL STAGES OF WORKING!! 2Al(s) + 3Cl2(g) -> 2AlCl3(s) explain how to do it as well.

Posted on January 27, 2023 by Assessments

What mass of Al is required to produce 500g of AlCl3? SHOW ALL STAGES OF WORKING!! 2Al(s) + 3Cl2(g) -> 2AlCl3(s) explain how to do it as well.

Briefly describe what happens during the cooking of pineapple that affects its interaction with Jell-O™.

Posted on January 24, 2023 by Assessments

The Chemistry of Food Preparation for Lab Read the lab procedure and answer the embedded questions. You may need to consult your textbook as well as the supplementary materials posted on Canvas. Note that you will not be turning in the embedded questions as part of your lab write-up. Instead, use these embedded questions to […]

Essay Quoll

Category: Chemistry

Which of your three gases behaved the most ideally? What data did you use to come to that conclusion? What physical properties of that gas might indicate that it would have behaved the most ideally?

Are there any results from the physical examination or blood chemistry or other diagnostic test results that may influence any recommendations for exercise or physical activity?

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.

How could you address/fix such errors in future experiments?Calculate the overall temperature change for the cold pack, ΔT = Tmax – Tmin.

How could you address/fix such errors in future experiments?How might this have impacted your data?

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.

milliliters of a 0.800 M Ca(NO3)2 solution to obtain 0.0500 mole of Ca(NO3)2 7.53 To make tomato soup, you add one can of water to the condensed soup. Why is this a dilution?

What mass of Al is required to produce 500g of AlCl3? SHOW ALL STAGES OF WORKING!! 2Al(s) + 3Cl2(g) -> 2AlCl3(s) explain how to do it as well.

Briefly describe what happens during the cooking of pineapple that affects its interaction with Jell-O™.