{
  "id": "8f6a769f-9aa7-5d8a-8e18-55a69cb55357",
  "slug": "s1-5-ideal-gases",
  "title": "S1.5 Ideal gases",
  "course": "IB Chemistry",
  "level": "SL",
  "syllabusCode": "S1.5",
  "questionCount": 15,
  "page": "https://splycr.com/ib-chemistry/s1-5-ideal-gases",
  "data": "https://splycr.com/library/s1-5-ideal-gases.json",
  "play": "https://splycr.com/?set=8f6a769f-9aa7-5d8a-8e18-55a69cb55357",
  "section": {
    "name": "Structure 1: Models of the particulate nature of matter",
    "page": "https://splycr.com/ib-chemistry/models-of-the-particulate-nature-of-matter"
  },
  "source": {
    "name": "Biology by Bradford",
    "href": "https://www.biologybybradford.com",
    "note": "Written for the splycr library by Biology by Bradford."
  },
  "questions": [
    {
      "number": 1,
      "question": "In the ideal gas model, the volume of the particles themselves is…?",
      "answer": "Negligible",
      "wrongOptions": [
        "Significant",
        "Constant",
        "Variable"
      ]
    },
    {
      "number": 2,
      "question": "Forces of attraction between particles in an ideal gas?",
      "answer": "None",
      "wrongOptions": [
        "Weak only",
        "Strong",
        "Hydrogen bonds"
      ]
    },
    {
      "number": 3,
      "question": "Collisions between particles in an ideal gas are…?",
      "answer": "Perfectly elastic",
      "wrongOptions": [
        "Inelastic",
        "Partly elastic",
        "Rare"
      ]
    },
    {
      "number": 4,
      "question": "Conditions under which real gases deviate most from ideal behaviour?",
      "answer": "High pressure, low temperature",
      "wrongOptions": [
        "Low pressure, high temperature",
        "High pressure, high temperature",
        "Low pressure, low temperature"
      ]
    },
    {
      "number": 5,
      "question": "Molar volume of an ideal gas at STP (273 K, 100 kPa)?",
      "answer": "22.7 dm³ mol⁻¹",
      "wrongOptions": [
        "22.4 dm³ mol⁻¹",
        "24.0 dm³ mol⁻¹",
        "2.27 dm³ mol⁻¹"
      ]
    },
    {
      "number": 6,
      "question": "Volume of 2.0 mol of gas at STP (molar volume 22.7 dm³ mol⁻¹)?",
      "answer": "45.4 dm³",
      "wrongOptions": [
        "11.4 dm³",
        "22.7 dm³",
        "4.54 dm³"
      ]
    },
    {
      "number": 7,
      "question": "Amount of gas in 4.54 dm³ at STP (molar volume 22.7 dm³ mol⁻¹)?",
      "answer": "0.200 mol",
      "wrongOptions": [
        "5.00 mol",
        "0.0200 mol",
        "2.00 mol"
      ]
    },
    {
      "number": 8,
      "question": "At constant temperature, doubling a gas's pressure makes its volume…?",
      "answer": "Halve",
      "wrongOptions": [
        "Double",
        "Quadruple",
        "Stay the same"
      ]
    },
    {
      "number": 9,
      "question": "At constant pressure, 1.0 dm³ of gas heated from 200 K to 400 K occupies…?",
      "answer": "2.0 dm³",
      "wrongOptions": [
        "0.50 dm³",
        "4.0 dm³",
        "1.5 dm³"
      ]
    },
    {
      "number": 10,
      "question": "At fixed volume and amount, gas pressure is directly proportional to…?",
      "answer": "Kelvin temperature",
      "wrongOptions": [
        "Celsius temperature",
        "Density",
        "Molar mass"
      ]
    },
    {
      "number": 11,
      "question": "The ideal gas equation?",
      "answer": "PV = nRT",
      "wrongOptions": [
        "PV = nR/T",
        "P/V = nRT",
        "PT = nRV"
      ]
    },
    {
      "number": 12,
      "question": "Value of the gas constant R in J K⁻¹ mol⁻¹?",
      "answer": "8.31",
      "wrongOptions": [
        "0.0821",
        "6.02",
        "83.1"
      ]
    },
    {
      "number": 13,
      "question": "Unit of volume needed in PV = nRT when pressure is in Pa?",
      "answer": "m³",
      "wrongOptions": [
        "dm³",
        "cm³",
        "L"
      ]
    },
    {
      "number": 14,
      "question": "1.0 dm³ expressed in m³?",
      "answer": "1.0 × 10⁻³ m³",
      "wrongOptions": [
        "1.0 × 10³ m³",
        "1.0 × 10⁻⁶ m³",
        "1.0 × 10⁻² m³"
      ]
    },
    {
      "number": 15,
      "question": "Quantity that stays constant for a fixed amount of gas as P, V and T change?",
      "answer": "PV/T",
      "wrongOptions": [
        "PT/V",
        "VT/P",
        "PVT"
      ]
    }
  ]
}