Domanda del libro di testo
Glucose, a form of sugar, has the formula C6H12O6. Which elements are included in this compound, and how many atoms of each are present?
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Ch.1 Matter and Measurements
McMurry8th EditionFundamentals of General, Organic, and Biological ChemistryISBN: 9780134015187
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TOC.tableOfContents
- Ch.1 Matter and Measurements27
- Ch.2 Atoms and the Periodic Table20
- Ch.3 Ionic Compounds8
- Ch.4 Molecular Compounds23
- Ch.5 Classification & Balancing of Chemical Reactions12
- Ch.6 Chemical Reactions: Mole and Mass Relationships28
- Ch.7 Chemical Reactions: Energy, Rate and Equilibrium64
- Ch.8 Gases, Liquids and Solids24
- Ch.9 Solutions52
- Ch.10 Acids and Bases25
- Ch.11 Nuclear Chemistry22
- Ch.12 Introduction to Organic Chemistry: Alkanes57
- Ch.13 Alkenes, Alkynes, and Aromatic Compounds47
- Ch.14 Some Compounds with Oxygen, Sulfur, or a Halogen50
- Ch.15 Aldehydes and Ketones45
- Ch.16 Amines42
- Ch.17 Carboxylic Acids and Their Derivatives57
- Ch.18 Amino Acids and Proteins82
- Ch.19 Enzymes and Vitamins63
- Ch.20 Carbohydrates44
- Ch.21 The Generation of Biochemical Energy65
- Ch.22 Carbohydrate Metabolism45
- Ch.23 Lipids42
- Ch.24 Lipid Metabolism33
- Ch.25 Protein and Amino Acid Metabolism24
- Ch.26 Nucleic Acids and Protein Synthesis45
McMurry8th EditionFundamentals of General, Organic, and Biological ChemistryISBN: 9780134015187Non è quello che usi tu?Cambia libro di testo
Capitolo 1, Problema 52
Write the formula for ibuprofen: 13 carbons, 18 hydrogens, and 2 oxygens. What are the common uses of ibuprofen?
Guida verificata passo dopo passo1
Step 1: To write the molecular formula for ibuprofen, count the number of each type of atom present in the molecule. According to the problem, ibuprofen contains 13 carbon atoms, 18 hydrogen atoms, and 2 oxygen atoms.
Step 2: Combine the counts of each atom into a molecular formula. The general format for a molecular formula is to list the elements in the order of carbon (C), hydrogen (H), and then oxygen (O), followed by their respective counts.
Step 3: Write the molecular formula for ibuprofen as \( \text{C}_{13}\text{H}_{18}\text{O}_2 \) using the counts provided.
Step 4: Ibuprofen is a nonsteroidal anti-inflammatory drug (NSAID). It is commonly used to reduce fever, relieve pain (such as headaches, muscle aches, or menstrual cramps), and decrease inflammation (such as swelling caused by arthritis).
Step 5: Note that the molecular formula \( \text{C}_{13}\text{H}_{18}\text{O}_2 \) represents the composition of ibuprofen but does not provide structural information about how the atoms are arranged. The structural formula would show the specific arrangement of atoms in the molecule.
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Chemical Formula
The chemical formula of a compound provides a concise representation of its molecular composition, indicating the number of each type of atom present. For ibuprofen, the formula C13H18O2 reflects that it contains 13 carbon atoms, 18 hydrogen atoms, and 2 oxygen atoms. Understanding chemical formulas is essential for identifying the structure and potential reactivity of a substance.
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Chemical Reaction: Chemical Change Concept 2
Pharmacological Uses
Ibuprofen is a nonsteroidal anti-inflammatory drug (NSAID) commonly used to relieve pain, reduce inflammation, and lower fever. It is effective for various conditions, including headaches, muscle aches, arthritis, and menstrual cramps. Recognizing its pharmacological uses helps in understanding its role in pain management and its therapeutic applications.
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Mechanism of Action
The mechanism of action of ibuprofen involves the inhibition of cyclooxygenase (COX) enzymes, which play a crucial role in the synthesis of prostaglandins—compounds that mediate inflammation and pain. By blocking these enzymes, ibuprofen reduces the production of prostaglandins, leading to decreased inflammation and pain relief. This understanding is vital for comprehending how ibuprofen functions in the body.
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The white blood cell concentration in normal blood is approximately 12,000 cells/mm3 of blood. How many white blood cells does a normal adult with 5 L of blood have? Express the answer in scientific notation.
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b. Which of the substances are chemical compounds, and which are elements?
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Give the full name of the following units:
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c. mm
d. nL
e. mg
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Which of these terms, (i) mixture, (ii) solid, (iii) liquid, (iv) gas, (v) chemical element, (vi) chemical compound, applies to the following substances at room temperature?
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