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Enthalpy (given the symbol H) is a measure of how much heat energy can be released by a chemical. ΔH is defined as the amount of heat energy released or taken in when two chemicals react. If ΔH is negative i...

There are 2 types of bonding in chemicals; ionic bonding and covalent bonding. Both of these aim to fill the outer shells of the atoms. You can also have bonds between molecules called intramolecular bonds. ...

Isotopes are different forms of the same element by mass . While an atom is classified as a particular element based on the number of protons in the nucleus, the specific isotope of that element is determine...

Lear experiences lucidity, 'reason', and exhibits his most profound moments when he is mad. This is the central irony in Lear and reflects both the contradiction, which is a convention of Classical tragedy a...

The principal disagreement among liberals is between negative and positive freedom. Classical liberals believe in negative freedom. This is viewed as the absence of external restrictions on the individual, a...