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A LEVEL Chemisrty June 2020 Paper 2 Questions From Real Exams
A LEVEL Che
A LEVEL Che
A LEVEL Chemisrty June 2020 Paper 2 Questions From Real Exams 1 2 Section A Answer all questions in this section. Do not write outside the box This question is about 1-chloropropane. . Define the term standard enthalpy of formation. [2 marks] . The equation for a reaction used to manufacture 1-chloropropane is 3CH3CH2CH2OH(l) + PCl3(l) 3CH3CH2CH2Cl(l) + H3PO3(s) The enthalpy change for this reaction, ΔH, is –114 kJ mol–1 Table 1 contains some standard enthalpy of formati...
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