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Consider the information given below
ΔH⁰/ kJmol-1 Enthalpy of lattice formation for CaF2 -2611 Enthalpy of hydration for Ca2+
1 answer
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Acids and bases
• What is an acid? • A 500cm3 solution containing 1.9g of a weak acid HA has a pH of 3.50. Calculate the
2 answers
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a) Define the following terms:
• Electronegativity • Bond polarity • Ionization energy b) What is the difference between
2 answers
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