{
  "id": "e16b2e23-a3cd-5c4d-a1d5-6c1b11eb1824",
  "slug": "r1-3-energy-from-fuels",
  "title": "R1.3 Energy from fuels",
  "course": "IB Chemistry",
  "level": "SL",
  "syllabusCode": "R1.3",
  "questionCount": 15,
  "page": "https://splycr.com/ib-chemistry/r1-3-energy-from-fuels",
  "data": "https://splycr.com/library/r1-3-energy-from-fuels.json",
  "play": "https://splycr.com/?set=e16b2e23-a3cd-5c4d-a1d5-6c1b11eb1824",
  "section": {
    "name": "Reactivity 1: What drives chemical reactions?",
    "page": "https://splycr.com/ib-chemistry/what-drives-chemical-reactions"
  },
  "source": {
    "name": "Biology by Bradford",
    "href": "https://www.biologybybradford.com",
    "note": "Written for the splycr library by Biology by Bradford."
  },
  "questions": [
    {
      "number": 1,
      "question": "Products of the complete combustion of a hydrocarbon?",
      "answer": "CO₂ and H₂O",
      "wrongOptions": [
        "CO and H₂O",
        "C and H₂",
        "CO₂ and H₂"
      ]
    },
    {
      "number": 2,
      "question": "Toxic gas formed by incomplete combustion?",
      "answer": "Carbon monoxide",
      "wrongOptions": [
        "Carbon dioxide",
        "Sulfur dioxide",
        "Nitrogen"
      ]
    },
    {
      "number": 3,
      "question": "Black particulate formed by incomplete combustion?",
      "answer": "Soot",
      "wrongOptions": [
        "Ash",
        "Slag",
        "Tar"
      ]
    },
    {
      "number": 4,
      "question": "Coefficient of O₂ in the balanced complete combustion of CH₄?",
      "answer": "2",
      "wrongOptions": [
        "1",
        "3",
        "4"
      ]
    },
    {
      "number": 5,
      "question": "Coefficient of O₂ in the balanced complete combustion of C₃H₈?",
      "answer": "5",
      "wrongOptions": [
        "3",
        "4",
        "10"
      ]
    },
    {
      "number": 6,
      "question": "Energy released per unit mass of a fuel, in kJ g⁻¹?",
      "answer": "Specific energy",
      "wrongOptions": [
        "Energy density",
        "Enthalpy of combustion",
        "Heat capacity"
      ]
    },
    {
      "number": 7,
      "question": "Energy released per unit volume of a fuel?",
      "answer": "Energy density",
      "wrongOptions": [
        "Specific energy",
        "Power density",
        "Calorific mass"
      ]
    },
    {
      "number": 8,
      "question": "Specific energy of a fuel with ΔHc = −2200 kJ mol⁻¹ and M = 44 g mol⁻¹?",
      "answer": "50 kJ g⁻¹",
      "wrongOptions": [
        "0.020 kJ g⁻¹",
        "5.0 kJ g⁻¹",
        "96 800 kJ g⁻¹"
      ]
    },
    {
      "number": 9,
      "question": "Fossil fuel releasing the most CO₂ per kJ of energy?",
      "answer": "Coal",
      "wrongOptions": [
        "Natural gas",
        "Petrol",
        "Diesel"
      ]
    },
    {
      "number": 10,
      "question": "Fuel made from recently living biomass?",
      "answer": "Biofuel",
      "wrongOptions": [
        "Fossil fuel",
        "Nuclear fuel",
        "Hydrogen fuel"
      ]
    },
    {
      "number": 11,
      "question": "Biofuel made by fermenting sugars with yeast?",
      "answer": "Ethanol",
      "wrongOptions": [
        "Methane",
        "Biodiesel",
        "Propane"
      ]
    },
    {
      "number": 12,
      "question": "Main fuel gas made by anaerobic digestion of organic waste?",
      "answer": "Methane",
      "wrongOptions": [
        "Hydrogen",
        "Propane",
        "Carbon monoxide"
      ]
    },
    {
      "number": 13,
      "question": "Burning a biofuel is close to carbon-neutral because its CO₂ was absorbed during…?",
      "answer": "Photosynthesis",
      "wrongOptions": [
        "Respiration",
        "Combustion",
        "Fermentation"
      ]
    },
    {
      "number": 14,
      "question": "Device converting a continuously supplied fuel's chemical energy directly into electricity?",
      "answer": "Fuel cell",
      "wrongOptions": [
        "Primary cell",
        "Generator",
        "Solar cell"
      ]
    },
    {
      "number": 15,
      "question": "Only product of a hydrogen–oxygen fuel cell?",
      "answer": "Water",
      "wrongOptions": [
        "Carbon dioxide",
        "Hydrogen peroxide",
        "Methanol"
      ]
    }
  ]
}