Journal one

Unit I Journal Open

Weight: 2% of course grade

Grading Rubric


Describe a time when you were concerned about the possible toxicological effects of a chemical. For example, a child digesting a dangerous chemical or pharmaceutical product, an actual chemical you worked with that touched your skin or you inhaled, etc. Why were you concerned about this chemical’s toxicology profile?

Your journal entry must be at least 200 words in length. No references or citations are necessary.

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Question 6

Summarize the differences between the different chemical properties of the lower explosive limit (LEL), the upper explosive limit (UEL), and the range of flammability for a chemical that has an LEL of 3% and a UEL of 97%.

Your response must be at least 75 words in length

Question 7


In your own words, explain the three different methods of heat transfer.

Your response must be at least 75 words in length

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