In which one of the following reactions is deltaH rxn equal to deltaH f of the product?

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In which one of the following reactions is deltaH rxn equal to deltaH f of the product? Please show how you identified the 4 wrong answers. Note – no numbers needed, this problem must be answered without per instructor’s instructions. I am just now sure how to do it by sight alone? Please tell me how you arrived at your answer.

1. F2(g) + H2(g) –> 2HF(g)

2. Mg(g) + O2(g) –> 2MgO(g)

3. NO2(g) + O(g) –> NO3(g)

4. SO3(g) + H2O(g) –> H2SO4(g)

5. S + O2 –> SO2 {note this formula did not come with type, e.g., g, s, l.}

 

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Personification poem

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Write a poem with two stanzas or more and 9 lines or more with including examples of personification. You have to select for each personification words from the list A and the list B that I sent as attachments found in the file. You need to write:
1- The title of the poem.
2- The 1st draft of the poem.
3- The final draft of the poem.

Lead poisoning

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This SLP examines the use of scientific evidence in standard setting. Answer the following questions in 3–4 pages and support your answers with the literature:

  1. Describe the scientific evidence that was used in the standard-setting process for the substance you chose for your SLP.( LEAD POISONING)
  2. Describe the health-risk assessment that was considered for the health effects of concern.
  3. Compare and contrast two of the health-risk assessments. Were they thorough? Was the weight of the scientific evidence adequate? How did they impact the final standard?

Length: Submit a 3- to 4-page paper.

Readings Relevant to the SLP

Centers for Disease Control and Prevention. (2014). Workplace safety and health topics: Benzene. Retrieved from http://www.cdc.gov/niosh/topics/benzene/

OSHA. (1988). Occupational health and safety guidelines for benzene: Potential human carcinogen. Retrieved from http://www.cdc.gov/niosh/docs/81-123/pdfs/0049.pdf

U.S. Department of Labor. (n.d.). OSHA: 1,3-Butadiene. Retrieved from https://www.osha.gov/SLTC/butadiene/standards.html

U.S. Department of Labor. (n.d.). OSHA: Cotton dust. Retrieved from https://www.osha.gov/SLTC/cottondust/

U.S. Department of Labor. (n.d.). OSHA: Ethylene oxide. Retrieved from https://www.osha.gov/SLTC/ethyleneoxide/

U.S. Department of Labor. (n.d.). OSHA: Formaldehyde. Retrieved from https://www.osha.gov/SLTC/formaldehyde/

U.S. Department of Labor. (n.d.). OSHA: Lead. Retrieved from https://www.osha.gov/SLTC/lead/

U.S. Department of Labor. (n.d.). OSHA: Methylene chloride. Retrieved from https://www.osha.gov/SLTC/methylenechloride/

U.S. Environmental Protection Agency. (2016). Arsenic in drinking water. Retrieved from http://water.epa.gov/lawsregs/rulesregs/sdwa/arsen…

U.S. Environmental Protection Agency. (2016). Lead air quality standard. Retrieved from: https://www.epa.gov/lead-air-pollution

U.S. Environmental Protection Agency. (2016). Lead and copper rule. Retrieved from http://water.epa.gov/lawsregs/rulesregs/sdwa/lcr/i…

U.S. Environmental Protection Agency. (2016). Carbon monoxide standards. Retrieved from http://www.epa.gov/ttn/naaqs/standards/co/s_co_ind…

U.S. Environmental Protection Agency. (2016). Ozone standards. Retrieved from http://www.epa.gov/ttn/naaqs/standards/ozone/s_o3_…

U.S. Environmental Protection Agency. (2016). Particulate matter standards. Retrieved from http://www.epa.gov/ttn/naaqs/standards/pm/s_pm_ind…

U.S. Environmental Protection Agency. (2016). Nitrogen dioxide primary standard. Retrieved from http://www.epa.gov/ttn/naaqs/standards/nox/s_nox_i…

U.S. Environmental Protection Agency. (2015). Radionuclides rule. Retrieved from http://water.epa.gov/lawsregs/rulesregs/sdwa/radio…

U.S. Environmental Protection Agency. (2016). Sulfur dioxide primary standard. Retrieved from http://www.epa.gov/ttn/naaqs/standards/so2/s_so2_i…

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Do you know where your food comes from?, science homework help

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Primary Discussion Response is due by Friday (11:59:59pm Central), Peer Responses are due by Tuesday (11:59:59pm Central).

Primary Task Response: Within the Discussion Board area, write 300–500 words that respond to the following questions with your thoughts, ideas, and comments.

Do you know where your food comes from? Throughout history, self-sufficiency has been the norm for acquiring food such as grains, meats, fruits, and vegetables. People and nations grew their own food and traded only on a local level. Today, food trade between nations has intensified, food is shipped thousands of miles across the globe, and world trade in agricultural products exceeds $1 trillion annually.

Choose 1 of the foods from the following link that you may have in your fridge or pantry:

Click here for the list of foods and food information.

Complete the following:

  • List and describe the food item, and include where it came from (check the label or Web site).
  • Use this calculator to determine how far it has traveled to you. Answer the following questions (use the Internet and CTU library to form your opinions):
    1. How does the vast movement of food from one nation to another benefit or potentially harm developing nations? Are there benefits of importing food to developed or wealthy nations?
    2. There is an “eat local” initiative developing throughout the United States and Europe. What are the benefits to buying fresh, local foods? Are there drawbacks? Do you buy local?
    3. Can you live without the food item you chose? Is there a local substitute available?
    4. Knowing what you do of how global food trade affects the global market and the economies of individual countries, explain your position on buying this food item in the future.

Responses to Other Students: Respond to at least 2 of your fellow classmates with at least a 100-word reply about their Primary Task Response regarding items you found to be compelling and enlightening. To help you with your discussion, please consider the following questions:

  • Did your peers’ food travel further than yours?
  • Do either of your foods require international trade?
  • How did the benefits and drawbacks of eating local that you discussed compare with your peers’ observations?

References

Food miles calculator. (n.d.). Retrieved from http://www.organiclinker.com/food-miles.cfm

Mark’s fruit crops. (n.d.). Retrieved from http://fruit-crops.com

For assistance with your assignment, please use your text, Web resources, and all course materials.

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