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What is the difference between exothermic and endothermic?
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Related A Level Questions
Why is phenol more reactive than benzene?
A bromoalkane contains 34.9% carbon and 6.60% hydrogen by mass. The rest of the mass is made up by bromine. What is the empirical formula of this molecule?
Explain why the first ionisation energy of Al is less than that of Mg?
Why is the first ionisation energy of Potassium less than Sodium?
What is the difference between an acid and a base?
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