{
  "id": "7d413e01-6340-5117-a145-79898f96f2c1",
  "slug": "energy-changes",
  "title": "Energy changes",
  "course": "General Chemistry",
  "questionCount": 14,
  "page": "https://splycr.com/general-chemistry/energy-changes",
  "data": "https://splycr.com/library/energy-changes.json",
  "play": "https://splycr.com/?set=7d413e01-6340-5117-a145-79898f96f2c1",
  "source": {
    "name": "Biology by Bradford",
    "href": "https://www.biologybybradford.com",
    "note": "Written for the splycr library by Biology by Bradford."
  },
  "questions": [
    {
      "number": 1,
      "question": "Reaction that gives out heat to the surroundings?",
      "answer": "Exothermic",
      "wrongOptions": [
        "Endothermic",
        "Isothermal",
        "Thermal"
      ]
    },
    {
      "number": 2,
      "question": "Reaction that takes in heat from the surroundings?",
      "answer": "Endothermic",
      "wrongOptions": [
        "Exothermic",
        "Isothermal",
        "Thermal"
      ]
    },
    {
      "number": 3,
      "question": "Example of a reaction that gives out heat?",
      "answer": "Combustion",
      "wrongOptions": [
        "Thermal decomposition",
        "Photosynthesis",
        "Electrolysis"
      ]
    },
    {
      "number": 4,
      "question": "In an endothermic reaction, the temperature of the surroundings…?",
      "answer": "Falls",
      "wrongOptions": [
        "Rises",
        "Stays the same",
        "Fluctuates"
      ]
    },
    {
      "number": 5,
      "question": "Breaking chemical bonds…?",
      "answer": "Absorbs energy",
      "wrongOptions": [
        "Releases energy",
        "Creates energy",
        "Destroys energy"
      ]
    },
    {
      "number": 6,
      "question": "Making chemical bonds…?",
      "answer": "Releases energy",
      "wrongOptions": [
        "Absorbs energy",
        "Creates energy",
        "Destroys energy"
      ]
    },
    {
      "number": 7,
      "question": "Energy needed to start a reaction?",
      "answer": "Activation energy",
      "wrongOptions": [
        "Bond energy",
        "Kinetic energy",
        "Heat capacity"
      ]
    },
    {
      "number": 8,
      "question": "On a reaction profile for an exothermic reaction, the products are…?",
      "answer": "Lower than the reactants",
      "wrongOptions": [
        "Higher than the reactants",
        "Level with the reactants",
        "Above the peak"
      ]
    },
    {
      "number": 9,
      "question": "Overall energy change if breaking bonds takes 500 kJ and making bonds gives 700 kJ?",
      "answer": "−200 kJ",
      "wrongOptions": [
        "+200 kJ",
        "+1200 kJ",
        "−1200 kJ"
      ]
    },
    {
      "number": 10,
      "question": "Energy to heat 100 g of water by 5 °C (c = 4.2 J g⁻¹ °C⁻¹)?",
      "answer": "2100 J",
      "wrongOptions": [
        "420 J",
        "500 J",
        "21 000 J"
      ]
    },
    {
      "number": 11,
      "question": "Container used to reduce heat loss in a simple calorimetry experiment?",
      "answer": "Polystyrene cup",
      "wrongOptions": [
        "Glass beaker",
        "Metal can",
        "Test tube"
      ]
    },
    {
      "number": 12,
      "question": "Measured to compare how much energy fuels release when heating water?",
      "answer": "Temperature rise",
      "wrongOptions": [
        "Mass of water",
        "Time taken",
        "Volume of gas"
      ]
    },
    {
      "number": 13,
      "question": "Everyday product that uses an exothermic reaction?",
      "answer": "Hand warmer",
      "wrongOptions": [
        "Instant cold pack",
        "Freezer",
        "Thermometer"
      ]
    },
    {
      "number": 14,
      "question": "Unit of energy?",
      "answer": "Joule",
      "wrongOptions": [
        "Watt",
        "Newton",
        "Pascal"
      ]
    }
  ]
}