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Definitions

munchkinjofan 8 questions 5.0 (1 rating)

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Questions in this quiz (8)

  1. 1Define standard enthalpy change of combustion
    1. AThe enthalpy change that takes place when one mole of a substance reacts completely with oxygen under standard conditions, all reactants and products being in their standard conditions
    2. BThe enthalpy change that takes place when one mole of a compound in its standard state is formed from its constituent elements in their standard states under standard conditions
    3. CThe enthalpy change that accompanies a reaction in the molar quantities expressed in a chemical equation under standard conditions, all reactants and products being in their standard states
  2. 2Define the standard enthalpy change of formation
    1. AThe enthalpy change that takes place when one mole of a substance reacts completely with oxygen under standard conditions, all reactants and products being in their standard conditions
    2. BThe enthalpy change that takes place when one mole of a compound in its standard state is formed from its constituent elements in their standard states under standard conditions
    3. CThe enthalpy change that accompanies a reaction in the molar quantities expressed in a chemical equation under standard conditions, all reactants and products being in their standard states
  3. 3Define the standard enthalpy change of reaction
    1. AThe enthalpy change that takes place when one mole of a substance reacts completely with oxygen under standard conditions, all reactants and products being in their standard conditions
    2. BThe enthalpy change that takes place when one mole of a compound in its standard state is formed from its constituent elements in their standard states under standard conditions
    3. CThe enthalpy change that accompanies a reaction in the molar quantities expressed in a chemical equation under standard conditions, all reactants and products being in their standard states
  4. 4Define "addition reaction"
    1. AA reaction in which a reactant is added to an unsaturated molecule to make a saturated molecule
    2. BA reaction in which a more reactive element displaces a less reactive element from an aqueous solution of the latter's ions.
    3. CThe removal of a molecule from a saturated molecule to make an unsaturated molecule
    4. DThe formation of a solid from a solution during a chemical reaction. Precipitates are often formed when two aqueous solutions are mixed together
    5. EA reaction in which an atom or group of atoms is replaced with a different atom, or group of atoms
  5. 5Define "displacement reaction"
    1. AA reaction in which a reactant is added to an unsaturated molecule to make a saturated molecule
    2. BA reaction in which a more reactive element displaces a less reactive element from an aqueous solution of the latter's ions.
    3. CThe removal of a molecule from a saturated molecule to make an unsaturated molecule
    4. DThe formation of a solid from a solution during a chemical reaction. Precipitates are often formed when two aqueous solutions are mixed together
    5. EA reaction in which an atom or group of atoms is replaced with a different atom, or group of atoms
  6. 6Define "elimination reaction"
    1. AA reaction in which a reactant is added to an unsaturated molecule to make a saturated molecule
    2. BA reaction in which a more reactive element displaces a less reactive element from an aqueous solution of the latter's ions.
    3. CThe removal of a molecule from a saturated molecule to make an unsaturated molecule
    4. DThe formation of a solid from a solution during a chemical reaction. Precipitates are often formed when two aqueous solutions are mixed together
    5. EA reaction in which an atom or group of atoms is replaced with a different atom, or group of atoms
  7. 7Define "precipitation reaction"
    1. AA reaction in which a reactant is added to an unsaturated molecule to make a saturated molecule
    2. BA reaction in which a more reactive element displaces a less reactive element from an aqueous solution of the latter's ions.
    3. CThe removal of a molecule from a saturated molecule to make an unsaturated molecule
    4. DThe formation of a solid from a solution during a chemical reaction. Precipitates are often formed when two aqueous solutions are mixed together
    5. EA reaction in which an atom or group of atoms is replaced with a different atom, or group of atoms
  8. 8Define "substitution reaction"
    1. AA reaction in which a reactant is added to an unsaturated molecule to make a saturated molecule
    2. BA reaction in which a more reactive element displaces a less reactive element from an aqueous solution of the latter's ions.
    3. CThe removal of a molecule from a saturated molecule to make an unsaturated molecule
    4. DThe formation of a solid from a solution during a chemical reaction. Precipitates are often formed when two aqueous solutions are mixed together
    5. EA reaction in which an atom or group of atoms is replaced with a different atom, or group of atoms

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Description
A-Levels chemistry Quiz on Definitions, created by munchkinjofan on 26/05/2013.
Language
English
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