{
  "id": "0f7a3e2a-351a-5555-8cb6-6df2bade2d0d",
  "slug": "rates-of-reaction",
  "title": "Rates of reaction",
  "course": "General Chemistry",
  "questionCount": 13,
  "page": "https://splycr.com/general-chemistry/rates-of-reaction",
  "data": "https://splycr.com/library/rates-of-reaction.json",
  "play": "https://splycr.com/?set=0f7a3e2a-351a-5555-8cb6-6df2bade2d0d",
  "source": {
    "name": "Biology by Bradford",
    "href": "https://www.biologybybradford.com",
    "note": "Written for the splycr library by Biology by Bradford."
  },
  "questions": [
    {
      "number": 1,
      "question": "Rate increases with temperature partly because particles move…?",
      "answer": "Faster",
      "wrongOptions": [
        "Slower",
        "Less often",
        "In straight lines"
      ]
    },
    {
      "number": 2,
      "question": "Minimum energy colliding particles need for a reaction to happen?",
      "answer": "Activation energy",
      "wrongOptions": [
        "Kinetic energy",
        "Bond energy",
        "Heat capacity"
      ]
    },
    {
      "number": 3,
      "question": "Substance that speeds up a reaction without being used up?",
      "answer": "Catalyst",
      "wrongOptions": [
        "Inhibitor",
        "Reactant",
        "Solvent"
      ]
    },
    {
      "number": 4,
      "question": "Biological catalysts?",
      "answer": "Enzymes",
      "wrongOptions": [
        "Hormones",
        "Vitamins",
        "Antibodies"
      ]
    },
    {
      "number": 5,
      "question": "Effect of a catalyst on the activation energy?",
      "answer": "Lowers it",
      "wrongOptions": [
        "Raises it",
        "No effect",
        "Doubles it"
      ]
    },
    {
      "number": 6,
      "question": "Powdered marble reacts faster than marble chips because it has a larger…?",
      "answer": "Surface area",
      "wrongOptions": [
        "Mass",
        "Volume",
        "Density"
      ]
    },
    {
      "number": 7,
      "question": "Raising the concentration of an acid increases rate because of more frequent…?",
      "answer": "Collisions",
      "wrongOptions": [
        "Bonds",
        "Products",
        "Catalysts"
      ]
    },
    {
      "number": 8,
      "question": "Gas collected in a syringe when marble chips react with hydrochloric acid?",
      "answer": "Carbon dioxide",
      "wrongOptions": [
        "Hydrogen",
        "Oxygen",
        "Chlorine"
      ]
    },
    {
      "number": 9,
      "question": "Unit of rate when gas volume is measured over time?",
      "answer": "cm³ s⁻¹",
      "wrongOptions": [
        "cm³",
        "s cm⁻³",
        "cm³ s"
      ]
    },
    {
      "number": 10,
      "question": "Mean rate if 60 cm³ of gas is collected in 30 s?",
      "answer": "2 cm³ s⁻¹",
      "wrongOptions": [
        "0.5 cm³ s⁻¹",
        "90 cm³ s⁻¹",
        "1800 cm³ s⁻¹"
      ]
    },
    {
      "number": 11,
      "question": "On a gas volume–time graph, the steepest part shows where the rate is…?",
      "answer": "Fastest",
      "wrongOptions": [
        "Slowest",
        "Zero",
        "Constant"
      ]
    },
    {
      "number": 12,
      "question": "A gas volume–time graph levels off because…?",
      "answer": "A reactant runs out",
      "wrongOptions": [
        "The catalyst stops working",
        "The gas escapes",
        "The temperature falls"
      ]
    },
    {
      "number": 13,
      "question": "In the disappearing cross experiment, the cross vanishes because a … forms?",
      "answer": "Precipitate",
      "wrongOptions": [
        "Gas",
        "Foam",
        "Flame"
      ]
    }
  ]
}