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Chemistry Test ...

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  • Question 1
    4 / -1

    Consider the reaction: N2 +3H2 → 2NH3 carried out at constant temperature and pressure. If ΔH and ΔU are the enthalpy and internal energy changes for the reaction, which of the following expressions is true?

  • Question 2
    4 / -1

    How many EDTA (ethylendediaminetatraacetic acid) molecules are required to make an octahedral complex with a Ca2+ ion?

  • Question 3
    4 / -1

    Lanthanoid contraction is caused due to

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