1. Matter and Measurements4h 29m
2. Atoms and the Periodic Table5h 23m
3. Ionic Compounds2h 18m
4. Molecular Compounds2h 18m
5. Classification & Balancing of Chemical Reactions3h 17m
6. Chemical Reactions & Quantities2h 35m
7. Energy, Rate and Equilibrium3h 46m
8. Gases, Liquids and Solids3h 25m
9. Solutions4h 10m
10. Acids and Bases3h 29m
11. Nuclear Chemistry56m
BONUS: Lab Techniques and Procedures1h 38m
BONUS: Mathematical Operations and Functions47m
12. Introduction to Organic Chemistry1h 34m
13. Alkenes, Alkynes, and Aromatic Compounds2h 12m
14. Compounds with Oxygen or Sulfur1h 6m
15. Aldehydes and Ketones1h 1m
16. Carboxylic Acids and Their Derivatives1h 11m
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18. Amino Acids and Proteins1h 51m
19. Enzymes1h 37m
20. Carbohydrates1h 46m
21. The Generation of Biochemical Energy2h 8m
22. Carbohydrate Metabolism2h 22m
23. Lipids2h 26m
24. Lipid Metabolism1h 45m
25. Protein and Amino Acid Metabolism1h 37m
26. Nucleic Acids and Protein Synthesis2h 54m

1. Matter and Measurements

What is Chemistry?

GOB Chemistry

1. Matter and Measurements

What is Chemistry?

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1:46 minutes

Problem 30Timberlake - 13th Edition

Textbook Question

If the toxic quantity is 1.5 g of ethylene glycol per 1000 g of body mass, what percentage of ethylene glycol is fatal?

Verified step by step guidance

Identify the given toxic quantity of ethylene glycol, which is 1.5 g per 1000 g of body mass.

Understand that the problem asks for the percentage of ethylene glycol that is considered fatal.

Recall that percentage is calculated as (part/whole) * 100.

In this context, the 'part' is the mass of ethylene glycol (1.5 g) and the 'whole' is the total body mass (1000 g).

Set up the percentage calculation: (1.5 g / 1000 g) * 100 to find the percentage of ethylene glycol.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Toxicity Threshold

The toxicity threshold refers to the specific amount of a substance that can cause harmful effects or death in an organism. In this case, the threshold is defined as 1.5 grams of ethylene glycol per 1000 grams of body mass, indicating the concentration at which the substance becomes dangerous.

Percentage Calculation

Percentage calculation is a mathematical process used to express a quantity as a fraction of 100. To determine the percentage of ethylene glycol that is fatal, one must calculate how much of the toxic quantity (1.5 g) relates to the total body mass (1000 g) and convert that ratio into a percentage.

Ethylene Glycol Toxicity

Ethylene glycol is a colorless, odorless liquid commonly used in antifreeze and other industrial applications. Its toxicity arises from its metabolic products, which can cause severe health issues, including kidney failure and central nervous system depression, making understanding its lethal dose critical for safety.