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Questions and Answers
Classify the molecule below:
Classify the molecule below:
aldehyde
Identify the type of organic compound shown below:
Identify the type of organic compound shown below:
ester
The compound shown here is classified as what type of organic compound?
The compound shown here is classified as what type of organic compound?
ester
What functional group(s) are present in the metabolic precursor of both testosterone and estrone?
What functional group(s) are present in the metabolic precursor of both testosterone and estrone?
The organic compound shown here is classified as a(n) _____
The organic compound shown here is classified as a(n) _____
Which of the following functional groups is indicated by the box in the structure of cocaine?
Which of the following functional groups is indicated by the box in the structure of cocaine?
Which of the following functional groups is indicated by the box in the structure of omeprazole?
Which of the following functional groups is indicated by the box in the structure of omeprazole?
Which of the following functional groups is indicated by the box in the structure of penicillamine?
Which of the following functional groups is indicated by the box in the structure of penicillamine?
Which of the following functional groups is indicated by the box in the structure of the antiviral drug penciclovir?
Which of the following functional groups is indicated by the box in the structure of the antiviral drug penciclovir?
Which of the following have only a -C-O-C- functional group?
Which of the following have only a -C-O-C- functional group?
Which of the following molecules is an aldehyde?
Which of the following molecules is an aldehyde?
Which of the following molecules is a carboxylic acid?
Which of the following molecules is a carboxylic acid?
Which of the following molecules is a ketone?
Which of the following molecules is a ketone?
Which of the following molecules is an ester?
Which of the following molecules is an ester?
Isomers have...
Isomers have...
How many structural isomers are there for the formula C₃H₈?
How many structural isomers are there for the formula C₃H₈?
How many constitutional isomers of C₅H₁₂ are there?
How many constitutional isomers of C₅H₁₂ are there?
How many constitutional (structural) isomers of C₆H₁₄ exist?
How many constitutional (structural) isomers of C₆H₁₄ exist?
Which reaction occurs at the anode in a galvanic cell represented by the shorthand Cu | Cu²⁺ || Ag⁺ | Ag?
Which reaction occurs at the anode in a galvanic cell represented by the shorthand Cu | Cu²⁺ || Ag⁺ | Ag?
How many moles of electrons are exchanged in the redox reaction: Ag⁺(aq) + Fe²⁺(aq) ⇌ Ag(s) + Fe³⁺(aq)?
How many moles of electrons are exchanged in the redox reaction: Ag⁺(aq) + Fe²⁺(aq) ⇌ Ag(s) + Fe³⁺(aq)?
How many electrons are transferred in the balanced reaction considering the redox reaction Cr + Ni²⁺ → Cr³⁺ + Ni?
How many electrons are transferred in the balanced reaction considering the redox reaction Cr + Ni²⁺ → Cr³⁺ + Ni?
Write the chemical formula for barium nitride.
Write the chemical formula for barium nitride.
Write the chemical formula for chromium(III) phosphate.
Write the chemical formula for chromium(III) phosphate.
Write the chemical formula for iron(III) carbonate.
Write the chemical formula for iron(III) carbonate.
Write the chemical formula for vanadium(V) nitrate.
Write the chemical formula for vanadium(V) nitrate.
The bond dissociation energy to break 4 bond(s) in 1 mole of CH₄ molecules is...
The bond dissociation energy to break 4 bond(s) in 1 mole of CH₄ molecules is...
Based on the bond energies for the reaction below, what is the enthalpy of the reaction? HC≡CH (g) + 5/2 O₂ (g) → 2 CO₂ (g) + H₂O (g)
Based on the bond energies for the reaction below, what is the enthalpy of the reaction? HC≡CH (g) + 5/2 O₂ (g) → 2 CO₂ (g) + H₂O (g)
Based on the bond energies for the reaction below, what is the enthalpy of the reaction? H₂ (g) + N₂ (g) + 2 C (g) → 2 HCN (g)
Based on the bond energies for the reaction below, what is the enthalpy of the reaction? H₂ (g) + N₂ (g) + 2 C (g) → 2 HCN (g)
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Study Notes
Organic Compounds
- Aldehydes are characterized by a carbonyl group (C=O) at the end of a carbon chain.
- Esters are formed from the reaction of an alcohol and a carboxylic acid, featuring a functional group -C(=O)O-.
- Ketones contain a carbonyl group located within the carbon chain.
- Amines are organic compounds containing nitrogen atoms.
- Carboxylic acids have -COOH functional groups.
- Alcohols are compounds that contain one or more hydroxyl (-OH) groups.
- Ethers feature a -C-O-C- functional group, connecting two alkyl or aryl groups.
Structural Isomers
- Isomers share the same molecular formula but differ in structural arrangements.
- There are three constitutional isomers for the molecular formula C₅H₁₂.
- Five constitutional isomers exist for the formula C₆H₁₄.
Galvanic Cells and Redox Reactions
- A galvanic cell's anode reaction for Cu | Cu²⁺ || Ag⁺ | Ag is: Cu(s) → Cu²⁺(aq) + 2e⁻.
- In the redox reaction Ag⁺ + Fe²⁺ ⇌ Ag + Fe³⁺, electrons are transferred.
- The balanced reaction between Cr and Ni²⁺ shows a transfer of 6 electrons.
Chemical Formulas
- Barium nitride is represented by the formula Ba₃N₂.
- Chromium(III) phosphate is written as CrPO₄.
- Iron(III) carbonate has the chemical formula Fe₂(CO₃)₃.
- Vanadium(V) nitrate is denoted as V(NO₃)₅.
Bond Energies and Enthalpy
- The bond dissociation energy to break four bonds in one mole of methane (CH₄) is 1644 kJ.
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