Table of contents

1. Matter and Measurements4h 31m
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 27m
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
17. Amines39m
18. Amino Acids and Proteins1h 51m
19. Enzymes1h 37m
20. Carbohydrates1h 41m
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

Temperature (Simplified)

GOB Chemistry

1. Matter and Measurements

Temperature (Simplified)

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1:23 minutes

Problem 20b

Textbook Question

During extreme hypothermia, a child's temperature dropped to 20.6 °C. What was his temperature in degrees Fahrenheit?

Verified step by step guidance

Step 1: Recall the formula for converting Celsius to Fahrenheit:

F = (C × 9/5) + 32

, where F is the temperature in Fahrenheit and C is the temperature in Celsius.

Step 2: Identify the given temperature in Celsius from the problem. Here, the temperature is 20.6 °C.

Step 3: Substitute the given Celsius temperature (20.6 °C) into the formula:

F = (20.6 × 9/5) + 32

Step 4: Perform the multiplication of 20.6 by 9/5. This step converts the Celsius temperature to the Fahrenheit scale before adding 32.

Step 5: Add 32 to the result from Step 4 to complete the conversion to Fahrenheit. This gives the final temperature in degrees Fahrenheit.

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Key Concepts

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

Temperature Conversion

Temperature conversion is the process of changing a temperature reading from one scale to another, commonly from Celsius to Fahrenheit or vice versa. The formula to convert Celsius to Fahrenheit is F = (C × 9/5) + 32. Understanding this formula is essential for accurately converting the child's hypothermic temperature from Celsius to Fahrenheit.

Hypothermia

Hypothermia is a medical condition that occurs when the body loses heat faster than it can produce it, leading to a dangerously low body temperature. In children, hypothermia can occur at higher temperatures than in adults due to their smaller body mass and higher surface area-to-volume ratio. Recognizing the symptoms and implications of hypothermia is crucial for understanding the severity of the child's condition.

Normal Body Temperature Range

The normal body temperature range for humans is typically around 36.1 °C to 37.2 °C (97 °F to 99 °F). A body temperature significantly below this range, such as 20.6 °C, indicates severe hypothermia, which can lead to life-threatening complications. Understanding the normal temperature range helps in assessing the severity of the child's condition and the urgency of medical intervention.

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Textbook Question

Calculate each of the following temperatures in kelvins and degrees Fahrenheit:

a. The highest recorded temperature in the world was 58.0 °C in El Azizia, Libya, on September 13, 1922.

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What is –15 °F in degrees Celsius and in kelvins?

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Multiple Choice

Which of the following containers would have the greatest flow of thermal energy in the form of heat?

At what temperature is the temperature in degrees Fahrenheit equal to the temperature in degrees Celsius?

Water is heated to 145 °F. What is the temperature of the hot water in degrees Celsius?

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Textbook Question

After a week, biochemical reactions in compost slow, and the temperature drops to 45 °C. The dark brown organic-rich mixture is ready for use in the garden. What is this temperature in degrees Fahrenheit? In kelvins? (3.3)

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Textbook Question

Calculate each of the following temperatures in kelvins and degrees Fahrenheit:

b. The lowest recorded temperature in the world was –89.2 °C in Vostok, Antarctica, on July 21, 1983.

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Textbook Question

Calculate each of the following temperatures in kelvins and degrees Fahrenheit:

a. The highest recorded temperature in the world was 58.0 °C in El Azizia, Libya, on September 13, 1922.

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