Thermodynamics (A Level only) (AQA A-Level Chemistry): Quizzes

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Thermodynamic Terms
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What is the standard pressure used to define standard conditions?

100 kPa

What temperature defines standard conditions?

298 K

Enthalpy change of formation (ΔfH∘\Delta_f H^\circ) forms how many moles of a compound?

1 mole

What does enthalpy change of combustion (ΔcH∘\Delta_c H^\circ) measure?

1 mole burnt in oxygen

In which state must bonds be for bond dissociation enthalpy?

Gaseous

What does enthalpy of atomisation (ΔatH∘\Delta_{at} H^\circ) produce?

1 mole of gaseous atoms

First ionisation enthalpy (Δie1H∘\Delta_{ie1} H^\circ) forms ions with what charge?

+1

Second ionisation enthalpy (Δie2H∘\Delta_{ie2} H^\circ) starts with ions of what charge?

+1

First electron affinity values are typically what?

Negative (exothermic)

Why is second electron affinity (ΔEA2H∘\Delta_{EA2} H^\circ) positive (endothermic)?

Electron repelled by negative ion

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Thermodynamics (A Level only)

Rate Equations (A Level only)

Equilibrium constant (Kp) for Homogeneous Systems (A Level only)

Electrode Potentials & Electrochemical Cells (A Level only)

Fundamentals of Acids & Bases (A Level only)

Further Acids & Bases Calculations (A Level only)

Explore AQA A-Level Chemistry Flashcards by Topics

Thermodynamics (A Level only)

Rate Equations (A Level only)

Equilibrium constant (Kp) for Homogeneous Systems (A Level only)

Electrode Potentials & Electrochemical Cells (A Level only)

Fundamentals of Acids & Bases (A Level only)

Further Acids & Bases Calculations (A Level only)

Explore AQA A-Level Chemistry Exam Questions by Topics

Thermodynamics (A Level only)

Rate Equations (A Level only)

Equilibrium constant (Kp) for Homogeneous Systems (A Level only)

Electrode Potentials & Electrochemical Cells (A Level only)

Fundamentals of Acids & Bases (A Level only)

Further Acids & Bases Calculations (A Level only)

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