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There are two themes in this answer. The first being the hydrogen bonding potential of HF and the second being the difference in size of the of the halide ions. Fluorine is one of three elements that can ...

In French sentences, when the past participle comes after the subject noun, it always matches the gender and the number of the subject noun.

For example, in "Les rendez-vous qu'on a oubliés&qu...

As a general rule, longer than you think! Planning is often overlooked but it is essential for consistent, high-level answers: perfect your planning and you'll be set to give your best possible answer. Fo...

Using the product rule: d/dx(ab)=ab’ + a’b where a and b are variables which have been differentiated with respect to x

Derivative: 2(x^2(dy/dx)+2xy) + 2 + 4dy/dx+πsin(πy)...