Science quiz

• Pulling up


  Increases volume and decreases pressure
• Joseph Louis Gay-Lussac


  • States that "the pressure of a given amount of gas held at constant volume is directly proportional to the temperature"
• Doubling the number of molecules


  Doubles the pressure (at constant P and T)
• What are the 6 gas laws

  • Boyle's law
  • Charles 's law
  • Gay Lussac's law
  • Avogadro's law
  • Combined gas law
  • Ideal gas law
• Volume - L

  Pressure - P

  Temp - K

  No. Of molecules - mole
• Combustion (Burning) Reaction

  •When oxygen combines with a

  hydrocarbon (compound containing

  hydrogen and carbon) to form a water

  and carbon dioxide.
• Types of Chemical Reactions

  •Combination or Synthesis Reaction

  •Decomposition Reaction

  •Single Displacement or Replacement

  Reaction

  •Double Displacement Reaction

  (Metathesis)

  •Combustion (Burning) Reaction

  •Acid-Base Reaction
• Combination Reaction

  •A reaction in which two or more

  substances (elements or compounds)

  combine together to form a new

  substance
• Decomposition Reaction

  •A reaction in which a substance is

  broken down into two or more simpler

  substance

  •Opposite of combination

  •Takes place only when some energy in

  form of heat, light or electricity is

  supplied to the reactant.

  AB A + B
• Types of Decomposition Reaction

  •Thermal Decomposition Reaction

  decomposition caused by heating

  •Electrolytic Decomposition (electrolysis)

  Reaction

  decomposition caused by

  electricity

  •Photodecomposition Reaction

  • decomposition caused by light
• Displacement Reaction

  •A reaction in which one part (an atom

  or a group of atoms) of a molecule is

  replaced by another

  A + BC AB + C
• Double Displacement Reaction

  •A reaction in which two reacting ionic

  compounds exchange their

  corresponding ions

  AB + CD AC + BD