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Questionย 1
[1]
Easy
Sickle-cell anaemia is caused by which of the following amino acid substitutions?
Questionย 2
[6]
Medium
When 2 mol of H2 and I2 reach equilibrium at 524K, in a 10 dm3 container, there is 3.2 mol HI.
  1. Calculate the concentrations of all species present in the equilibrium mixture.
    [3]
  2. Write an expression for the equilibrium constant and calculate its value.
    [3]
Questionย 3
[6]
Easy
Answer the following parts to this question
  1. Write the chemical equation for the alpha decay of U-238
    [1]
  2. State law of conservation obeyed during Alpha decay
    [1]
  3. Compare and contrast Alpha, Beta, and Gamma decay
    [4]

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